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Components of a computer

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HARDWARE Rashedul Hasan..

Introduction to Computer Hardware and Software. Definition of a Computer “A computer is an electronic device, operating under the control of instructions.

© Paradigm Publishing, Inc. 2-1 Chapter 2 Input and Processing Chapter 2 Input and Processing.

Introduction to Information Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Using Information Technology, 10e©

Professor Michael J. Losacco CIS 1110 – Using Computers System Unit Chapter 4.

Objectives Overview Discovering Computers 2014: Chapter 6 See Page 248

Computer Parts There are many parts that work together to make a computer work.

Parts of a Computer.

Computers Are Your Future Eleventh Edition Chapter 2: Inside the System Unit Copyright © 2011 Pearson Education, Inc. Publishing as Prentice Hall1.

COMPONENTS OF A PERSONAL COMPUTER.

COMPUTER SYSTEM.

S3 Computer Literacy Computer Hardware. Overview of Computer Hardware Motherboard CPU RAM Harddisk CD-ROM Floppy Disk Display Card Sound Card LAN Card.

COMPONENTS OF THE SYSTEM UNIT

Computer Systems 1 Fundamentals of Computing

 Chasis / System cabinet  A plastic enclosure that contains most of the components of a computer (usually excluding the display, keyboard and mouse)

The Internal Components of a Personal Computer (PC)

Chapter 6 Inside Computers and Mobile Devices Discovering Computers Technology in a World of Computers, Mobile Devices, and the Internet.

Your Interactive Guide to the Digital World Discovering Computers 2012.

Memory Hierarchy.

Introduction to Computers Personal Computing 10. What is a computer? Electronic device Performs instructions in a program Performs four functions –Accepts.

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Computer parts

All about computer parts and types – powerpoint ppt presentation.

• this looks like a TV and lets you sees the software/programed and everything you do on your computer.
• this is the main part of the computer. It contains the brain of the computer which processes and communicates information with all other parts of the computer.
• the keyboard is an input device used to type in information into the computer.
• the mouse is an input device which is used to control what you see on your monitor. With a mouse you can click, select and move what you see on your screen.
• this is an output device used to print out hard copy of what is displayed on your monitor. You can use it to print text and pictures.
• is any part of your computer that has a physical structure, such as the computer monitor or keyboard.
• is any set of instructions that tells the hardware what to do. It is what guides the hardware and tells it how to accomplish each task. Some examples of software are web browsers, games, and word processors such as Microsoft Word.

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Enthrall your audience with this Confidential Computing Hardware Powerpoint Presentation Slides. Increase your presentation threshold by deploying this well-crafted template. It acts as a great communication tool due to its well-researched content. It also contains stylized icons, graphics, visuals etc, which make it an immediate attention-grabber. Comprising eighty three slides, this complete deck is all you need to get noticed. All the slides and their content can be altered to suit your unique business setting. Not only that, other components and graphics can also be modified to add personal touches to this prefabricated set.

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Increase audience engagement and knowledge by dispensing information using Table Of Contents Confidential Computing Hardware Ppt Icon File Formats. This template helps you present information on six stages. You can also present information on Importance Of Confidential Computing, Confidential Computing Overview, Architecture, Working And Approaches Of Confidential Computing using this PPT design. This layout is completely editable so personaize it now to meet your audiences expectations.

This slide showcases major characteristics of edge computing hardware, enabling developers and industrialists to use this technology in careful manner. It provides details about vent, fan, shock, temperature, small form, storage, etc. Increase audience engagement and knowledge by dispensing information using Edge Computing Technology Key Characteristics Of Edge Computing Hardware AI SS. This template helps you present information on five stages. You can also present information on Impervious To Sudden Movements, Equipped With Ample Storage, Fan Less And Ventless using this PPT design. This layout is completely editable so personaize it now to meet your audiences expectations.

This slide depicts the hardware or software update measure under the cyber security model. It also tells the current status of the devices that need to update in the organization. Introducing Computer System Security Hardware And Software Update In Company to increase your presentation threshold. Encompassed with three stages, this template is a great option to educate and entice your audience. Dispence information on Technology, Security, Servers, using this template. Grab it now to reap its full benefits.

This slide showcases how confidential computing provides total privacy assurance through technical assurance. It also includes the hyper-protect crypto service architecture, including its components such as application user, user interface, application, data service, and data at rest. Present the topic in a bit more detail with this Confidential Computing Hardware Confidential Computing For Total Privacy Assurance. Use it as a tool for discussion and navigation on Spanning Compute, Containers, Encryption, Cloud Information, Digital Resources. This template is free to edit as deemed fit for your organization. Therefore download it now.

This slide outlines the primary components of inclavare containers architecture. The purpose of this slide is to demonstrate the different elements of inclavare containers and their working. The main components include Kubelet, shim-rune, language runtime, liberpal.so, containerd, rune, SGX libOS, and PAL-API. Increase audience engagement and knowledge by dispensing information using Confidential Computing Hardware Components Of Inclavare Containers Architecture. This template helps you present information on eight stages. You can also present information on Inclavare Containers Architecture, Demonstrate, Language Runtime, Handle Container Lifecycle using this PPT design. This layout is completely editable so personaize it now to meet your audiences expectations.

This slide outlines the executive summary of key findings of confidential computing. The purpose of this slide is to showcase the key findings such as market expansion rate, hardware and software segments drive rate, industries that will dominate implementation, and so on. Introducing Confidential Computing Hardware Confidential Computing Executive Summary Of Key Findings to increase your presentation threshold. Encompassed with five stages, this template is a great option to educate and entice your audience. Dispence information on Confidential Computing, Market Expansion Rate, Hardware And Software Segments, Dominate Implementation, using this template. Grab it now to reap its full benefits.

This slide represents the applications of confidential computing in different sectors. This slide aims to demonstrate the confidential computing applications in healthcare and research, finance, engineering and manufacturing, and automobile sectors. Present the topic in a bit more detail with this Confidential Computing Hardware Confidential Computing Applications In Different Sectors. Use it as a tool for discussion and navigation on Confidential Computing, Demonstrate, Healthcare And Research, Finance, Engineering And Manufacturing, Automobile Sectors. This template is free to edit as deemed fit for your organization. Therefore download it now.

This slide depicts the confidential computing platform for the healthcare industry, including its components such as blob storage, Azure Kubernetes Service cluster, web API, Redis cache, AKS cluster interference model, and azure attestation. Present the topic in a bit more detail with this Confidential Computing Hardware Confidential Computing Platform For Healthcare Industry. Use it as a tool for discussion and navigation on Confidential Computing Platform, Healthcare Industry, Azure Kubernetes Service Cluster, Aks Cluster Interference Model. This template is free to edit as deemed fit for your organization. Therefore download it now.

This slide outlines the implementation timeline for confidential computing architecture. The purpose of this slide is to demonstrate the various steps to be taken to deploy confidential computing in a cloud environment, such as executing an existing Redis database unprotected, running within a confidential cloud, etc. Increase audience engagement and knowledge by dispensing information using Confidential Computing Hardware Confidential Computing Architecture Implementation Timeline. This template helps you present information on six stages. You can also present information on Implementation Timeline, Confidential Computing Architecture, Deploy Confidential Computing, Cloud Environment, Existing Redis Database Unprotected using this PPT design. This layout is completely editable so personaize it now to meet your audiences expectations.

This slide represents the overview of the confidential computing consortium and its benefits. The purpose of this slide is to showcase the overview, objective and projects lead by the confidential computing consortium. It also includes the benefits for the members to participate in the confidential computing consortium. Increase audience engagement and knowledge by dispensing information using Confidential Computing Hardware Confidential Computing Consortium Overview And Benefits. This template helps you present information on three stages. You can also present information on Consortium Meetings, Engaging In Community Events, Technology And Collaboration, Confidential Computing using this PPT design. This layout is completely editable so personaize it now to meet your audiences expectations.

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This slide outlines the architecture of confidential computing and the working of realms. The purpose of this slide is to demonstrate the confidential computing architecture, including its components such as realm, applications, operating system, realm manager, hypervisor, and so on. Present the topic in a bit more detail with this Confidential Computing Architecture And Realms Working Confidential Computing Hardware. Use it as a tool for discussion and navigation on Architecture Of Confidential Computing, Working Of Realms, Demonstrate, Operating System, Realm Manager, Hypervisor. This template is free to edit as deemed fit for your organization. Therefore download it now.

This slide represents the architecture of confidential computing based on Azure confidential computing services. The purpose of this slide is to showcase the problems with typical approaches and confidential computing solutions. It also includes the architecture components such as sensitive data, etc. Present the topic in a bit more detail with this Confidential Computing Architecture Based On Azure Services Confidential Computing Hardware. Use it as a tool for discussion and navigation on Architecture Of Confidential Computing, Azure Confidential Computing Services, Typical Approaches, Sensitive Data. This template is free to edit as deemed fit for your organization. Therefore download it now.

This slide represents the implementation roadmap for confidential computing architecture. The purpose of this slide is to demonstrate the various steps to be taken to deploy confidential computing in a cloud environment, such as executing an existing Redis database unprotected, running within a confidential cloud, etc. Introducing Confidential Computing Architecture Implementation Roadmap Confidential Computing Hardware to increase your presentation threshold. Encompassed with five stages, this template is a great option to educate and entice your audience. Dispence information on Implementation Roadmap, Confidential Computing Architecture, Demonstrate, Deploy Confidential Computing, Cloud Environment, Existing Redis Database Unprotected, using this template. Grab it now to reap its full benefits.

This slide represents the confidential computing consortium membership and participation levels. The purpose of this slide is to demonstrate the various partnership levels, annual fees, board seats, technical advisory committee seats, outreach committees, and notes. Deliver an outstanding presentation on the topic using this Confidential Computing Consortium Membership Levels Confidential Computing Hardware. Dispense information and present a thorough explanation of Confidential Computing, Consortium Membership, Participation Levels, Technical Advisory Committee Seats, Outreach Committees using the slides given. This template can be altered and personalized to fit your needs. It is also available for immediate download. So grab it now.

This slide outlines the architecture of Container Service for Kubernetes trusted execution environment version 2. The purpose of this slide is to demonstrate the features, date of launch and target users. It also covers the architecture and working of ACK TEE 2.0. Deliver an outstanding presentation on the topic using this Confidential Computing Hardware Ack Tee 2 0 Architecture And Workflow. Dispense information and present a thorough explanation of Architecture Of Container Service, Kubernetes Trusted, Execution Environment Version, Data Security using the slides given. This template can be altered and personalized to fit your needs. It is also available for immediate download. So grab it now.

This slide talks about the introduction of Container Service for Kubernetes trusted execution environment and its version 1.0. The purpose of this slide is to showcase its features, data of launch, objective and target users. It also includes the architecture and workflow of ACK TEE and its working. Present the topic in a bit more detail with this Confidential Computing Hardware Ack Tee Introduction And Version 1 0. Use it as a tool for discussion and navigation on Hardware Encryption Technology, Strict Security Needs, Delivering And Maintaining Trusted, Confidential Apps, Computing Technologies. This template is free to edit as deemed fit for your organization. Therefore download it now.

This slide depicts the benefits of confidential computing for organizations, including protecting crucial data while processing, securing valuable intellectual resources, partnership with stakeholders to develop new cloud solutions, securing information processing at the edge and so on. Deliver an outstanding presentation on the topic using this Confidential Computing Hardware Benefits Of Confidential Computing For Businesses. Dispense information and present a thorough explanation of Confidential Computing For Organizations, Protecting Crucial Data, Securing Valuable Intellectual Resources, New Cloud Solutions using the slides given. This template can be altered and personalized to fit your needs. It is also available for immediate download. So grab it now.

This slide describes the implementation cost of confidential computing, including required tools, hardware and software costs, and other expenditures. The purpose of this slide is to showcase the estimated cost, actual cost and variance. Present the topic in a bit more detail with this Confidential Computing Hardware Budget For Implementing Confidential Computing. Use it as a tool for discussion and navigation on Cost Of Confidential Computing, Hardware And Software Costs, Estimated Cost, Actual Cost And Variance. This template is free to edit as deemed fit for your organization. Therefore download it now.

This slide represents the business scenarios of confidential computing platform and it includes blockchain, key management, finance, artificial intelligence, multi-party computing, data leasing, and edge computing. Organizations can use confidential computing to secure their data while generating high economic value. Increase audience engagement and knowledge by dispensing information using Confidential Computing Hardware Business Scenarios Of Confidential Computing Platform. This template helps you present information on seven stages. You can also present information on Blockchain, Key Management, Finance, Edge Computing, Data Leasing using this PPT design. This layout is completely editable so personaize it now to meet your audiences expectations.

This slide talks about the case study carried out at Irene Energy organization. The purpose of this slide is to demonstrate how this corporation uses confidential computing technologies to provide electricity to remote American areas. The case study includes issues experienced, objectives, provided solutions and impact. Deliver an outstanding presentation on the topic using this Confidential Computing Hardware Case Study Irene Energy Ppt Icon Guidelines. Dispense information and present a thorough explanation of Irene Energy Organization, Demonstrate, Confidential Computing Technologies, Electricity To Remote American Areas, Electricity Roaming using the slides given. This template can be altered and personalized to fit your needs. It is also available for immediate download. So grab it now.

This slide depicts the checklist to implement confidential computing architecture in a cloud environment. The purpose of this slide is to showcase the various steps to be taken to deploy confidential computing, including its status and the responsible person. Present the topic in a bit more detail with this Confidential Computing Hardware Checklist To Implement Confidential Computing. Use it as a tool for discussion and navigation on Execute Within Confidential Cloud, Confidential Computing Architecture, Cloud Environment. Deploy Confidential Computing. This template is free to edit as deemed fit for your organization. Therefore download it now.

This slide represents the client and server signature used in inclavare containers to protect sensitive applications and data. The purpose of this slide is to demonstrate the comparison between the client signature and the server signature and the benefits of the server signature. Deliver an outstanding presentation on the topic using this Confidential Computing Hardware Client Signature And Server Signature In Inclavare. Dispense information and present a thorough explanation of Client And Server Signature, Inclavare Containers, Protect Sensitive Applications, Demonstrate, Intel Business Certifications using the slides given. This template can be altered and personalized to fit your needs. It is also available for immediate download. So grab it now.

This slide represents the top companies leading the way for confidential computing. The purpose of this slide is to showcase the leading companies adopting confidential computing to protect organizational and customer information in cloud environments. Top companies include IBM, Google, Microsoft, etc. Introducing Confidential Computing Hardware Companies Paving The Path For Confidential Computing to increase your presentation threshold. Encompassed with four stages, this template is a great option to educate and entice your audience. Dispence information on Confidential Computing, Cloud Environments, Cloud Platform, Hardware And Software Solutions, using this template. Grab it now to reap its full benefits.

This slide represents the critical functions of confidential computing. The purpose of this slide is to show the various features of confidential computing, such as popular and holistic data security model, data confidentiality, data integrity and code integrity. Increase audience engagement and knowledge by dispensing information using Confidential Computing Hardware Critical Functions Of Confidential Computing Technology. This template helps you present information on three stages. You can also present information on Data Confidentially, Data Integrity, Code Integrity, Confidential Computing Technology using this PPT design. This layout is completely editable so personaize it now to meet your audiences expectations.

This slide represents the comparative analysis of financial services and healthcare industries based on different scenarios. The purpose of this slide is to demonstrate the different scenarios of financial services and healthcare industries. The different scenarios include best case, median case and worst case scenario. Introducing Confidential Computing Hardware Financial Services And Healthcare Industry Scenario to increase your presentation threshold. Encompassed with four stages, this template is a great option to educate and entice your audience. Dispence information on Banking, Financial Services, Insurance Confidential Computing Market, using this template. Grab it now to reap its full benefits.

Present the topic in a bit more detail with this Confidential Computing Hardware For Table Of Contents Ppt Icon Designs Download. Use it as a tool for discussion and navigation on Confidential Computing Market, Technology Segment Market Growth, Scenario Case Analysis. This template is free to edit as deemed fit for your organization. Therefore download it now.

This slide talks about the functional comparison between different TEE environments available in the market. The purpose of this slide is to demonstrate the comparison and challenges with TEE environments. The main TEE environment provider includes Intel SGX, AMD SEV-ES, and IBM SE. Deliver an outstanding presentation on the topic using this Confidential Computing Hardware Functional Comparison Of Different Tee Environments. Dispense information and present a thorough explanation of Functional Comparison, Tee Environments, Restricted Parameters, Secure Execution Framework using the slides given. This template can be altered and personalized to fit your needs. It is also available for immediate download. So grab it now.

This slide represents the future of confidential computing technology. The purpose of this slide is to demonstrate the state of confidential computing in the coming years. It also includes how it will protect sensitive data from malicious attacks in the cloud environment. Increase audience engagement and knowledge by dispensing information using Confidential Computing Hardware Future Of Confidential Computing Technology. This template helps you present information on five stages. You can also present information on Confidential Computing Technology, Demonstrate, Cloud Environment, Prerequisite For Commercial Sectors using this PPT design. This layout is completely editable so personaize it now to meet your audiences expectations.

This slide outlines the difference between hi-tech and manufacturing industries based on the best, median, and worst-case scenarios. The purpose of this slide is to showcase the hi-tech and manufacturing confidential computing market, and it also includes the change agent for best, and worst case. Introducing Confidential Computing Hardware HI Tech And Manufacturing Industry Scenario Case Analysis to increase your presentation threshold. Encompassed with four stages, this template is a great option to educate and entice your audience. Dispence information on HI Tech And Manufacturing Industries, Worst Case Scenarios, It Infrastructure Estate, using this template. Grab it now to reap its full benefits.

This slide represents the in-scope and out-of-scope threat for confidential computing. The purpose of this slide is to showcase the threats that confidential computing handles, such as software, protocol, cryptographic and physical attacks. It also caters to the out of scope threats such as sophisticated physical and upstream hardware supply-chain attacks. Increase audience engagement and knowledge by dispensing information using Confidential Computing Hardware In And Out Scope Threat Vectors For Confidential Computing. This template helps you present information on four stages. You can also present information on Software Attacks, Protocol Attacks, Cryptographic Attacks, Physical Attacks using this PPT design. This layout is completely editable so personaize it now to meet your audiences expectations.

This slide represents the architecture of inclavare confidential containers in the TEE environment. The purpose of this slide is to showcase the various components and features of inclavare containers. The primary components include Kubelet, containerd, shim-rune, rune, PAL API, Pod and so on. Introducing Confidential Computing Hardware Inclavare Confidential Containers Architecture In Tee to increase your presentation threshold. Encompassed with seven stages, this template is a great option to educate and entice your audience. Dispence information on Architecture Of Inclavare, Confidential Containers, Tee Environment, Kubernetes Ecosystem, using this template. Grab it now to reap its full benefits.

This slide describes the deployment of applications in Intel SGX with smaller TCB. The purpose of this slide is to showcase the difference between standard deployment and deployment in TEE. The main components include the operating system, virtual machine monitor, applications and hardware. Increase audience engagement and knowledge by dispensing information using Confidential Computing Hardware Intel SGX With A Smaller Trusted Computing Base TCB. This template helps you present information on two stages. You can also present information on Operating System, Virtual Machine Monitor, Hardware, Cloud Vendors using this PPT design. This layout is completely editable so personaize it now to meet your audiences expectations.

This slide represents the introduction to confidential computing, including its overview and objectives. Confidential computing is a cloud computing method to secure data while processing and gives business confidence to migrate their information and valuable assets to the cloud. Present the topic in a bit more detail with this Confidential Computing Hardware Introduction To Confidential Computing Technology. Use it as a tool for discussion and navigation on Confidential Computing, Cloud Computing Method, CPU Environment While Processing. This template is free to edit as deemed fit for your organization. Therefore download it now.

This slide depicts the key features of confidential computing platform, including confidential virtual machines, confidential space, confidential dataproc, and confidential Google Kubernetes Engine node. Increase audience engagement and knowledge by dispensing information using Confidential Computing Hardware Key Features Of Confidential Computing Platform. This template helps you present information on four stages. You can also present information on Confidential Computing Platform, Confidential Virtual Machines, Confidential Space, Confidential Google Kubernetes Engine Node using this PPT design. This layout is completely editable so personaize it now to meet your audiences expectations.

This slide outlines the architecture of multi-team construction and cooperation. The components of the architecture include occlum, graphene SGX, dragon well, customer enclave runtime, SGX-device-plugin, cloud Linux, shim-rune, and Kubernetes. Deliver an outstanding presentation on the topic using this Confidential Computing Hardware Multi Team Construction And Cooperation In Inclavare. Dispense information and present a thorough explanation of Efficient Multitasking, Multiple File System Support, Memory Safety, Cloud Container Service Team using the slides given. This template can be altered and personalized to fit your needs. It is also available for immediate download. So grab it now.

This slide represents the overview of the architecture design of multiparty computing used in confidential computing. This slide aims to demonstrate the different attributes, benefits and technology options available such as blockchain with Azure virtual machine, blockchain as a service, and so on. Introducing Confidential Computing Hardware Multiparty Privacy Preserving Computation Architecture to increase your presentation threshold. Encompassed with four stages, this template is a great option to educate and entice your audience. Dispence information on Architecture Design, Multiparty Computing, Confidential Computing, Blockchain With Azure Virtual Machine, Blockchain As A Service, using this template. Grab it now to reap its full benefits.

This slide depicts the need for confidential computing in a cloud environment and by showcasing the security concerns with early data processing system and confidential computing solutions to overcome those problems. Increase audience engagement and knowledge by dispensing information using Confidential Computing Hardware Need For Confidential Computing In Cloud Environment. This template helps you present information on six stages. You can also present information on Computing Memory, Competitors Or Cloud Providers, Memory Dump Attacks, Cloud Environment using this PPT design. This layout is completely editable so personaize it now to meet your audiences expectations.

This slide depicts the features and architecture of the Occlum system in confidential computing. The purpose of this slide is to showcase the features, architecture and process of the trusted and untrusted environment. The components include the build command, Occlum CLI tool, deployment environment, and so on. Introducing Confidential Computing Hardware Occlum System Architecture And Features to increase your presentation threshold. Encompassed with two stages, this template is a great option to educate and entice your audience. Dispence information on Trusted Environment, Efficient Multi Process Support, Memory Security Guarantee, using this template. Grab it now to reap its full benefits.

This slide outlines the overview of operational and technical assurance of data privacy by demonstrating that technical assurance offers the highest degree of data protection and privacy. In technical assurance, cloud providers cannot tamper with user data. Present the topic in a bit more detail with this Confidential Computing Hardware Operational And Technical Assurance Of Data Privacy. Use it as a tool for discussion and navigation on Operational Assurance, Technical Assurance, Data Privacy, Integration And Continuous Deployment. This template is free to edit as deemed fit for your organization. Therefore download it now.

This slide talks about the technologies used in confidential computing, such as homomorphic encryption, trusted execution environment, secure multi-party computation, differential privacy, synthetic data, and federated learning. Increase audience engagement and knowledge by dispensing information using Confidential Computing Hardware Overview Of Confidential Computing Technologies. This template helps you present information on six stages. You can also present information on Homomorphic Encryption, Trusted Execution Environment, Federated Learning, Synthetic Data using this PPT design. This layout is completely editable so personaize it now to meet your audiences expectations.

This slide describes the main methods to obtain confidential computing. The purpose of this slide is to showcase the two main ways of confidential computing, such as hardware and hypervisor. It also includes the components of confidential computing covering applications, operating systems, hypervisors, and hardware. Deliver an outstanding presentation on the topic using this Confidential Computing Hardware Primary Approaches To Obtain Confidential Computing. Dispense information and present a thorough explanation of Operating System, Hypervisor, Restrict Local Administrator, Cloud Administrator using the slides given. This template can be altered and personalized to fit your needs. It is also available for immediate download. So grab it now.

This slide outlines the process of using Intel SGX-based trusted applications. The purpose of this slide is to demonstrate the procedure of utilizing Intel SGX-based trusted applications. The main components include applying for a key, installing the environment, developing, computing and building, and executing. Introducing Confidential Computing Hardware Process Of Using Intel SGX Based Trusted Applications to increase your presentation threshold. Encompassed with five stages, this template is a great option to educate and entice your audience. Dispence information on SGX Based Trusted Applications, Installing The Environment, Developing, Computing And Building, using this template. Grab it now to reap its full benefits.

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COMPUTER HARDWARE

Mar 13, 2019

14.32k likes | 28.01k Views

2. Chapter. COMPUTER HARDWARE. Objectives of this chapter:. You can…. Define input and output. List the characteristics of input and output devices. Describe the components of a processor and how they complete a machine cycle. Differentiate among the various types of memory.

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Presentation Transcript

2 Chapter COMPUTER HARDWARE Chapter 2 SAK3002 – Information Technology and Its Application

Objectives of this chapter: You can… Define input and output List the characteristics of input and output devices Describe the components of a processor and how they complete a machine cycle Differentiate among the varioustypes of memory Differentiate between storage devicesand storage media Chapter 2 SAK3002 – Information Technology and Its Application

Overview • This chapter covers • Input Device • Output Device • Central Unit Processing (CPU) • Memory Unit • Storage • Communications Chapter 2 SAK3002 – Information Technology and Its Application

Introduction • What is computer hardware? • Computer devices in physical form • Comprised of 4 components: • Input devices • Central Processing Unit (CPU) • Output devices • Memory Chapter 2 SAK3002 – Information Technology and Its Application

Processor Control Unit Arithmetic Logic Unit (ALU) InstructionsDataInformation InstructionsDataInformation Introduction (cont’d) Control Unit Arithmetic Logic Unit (ALU) Memory InputDevices OutputDevices Data Information StorageDevices Chapter 2 SAK3002 – Information Technology and Its Application

Introduction (cont’d) • Bit and bytes • Bit (Binary Digit) is the basic unit of information in computers • 1 bit = 0 or 1  Computer binary system • Refers to transfer rate per second • Kilobyte, megabyte, gigabyte, and terabyte are terms that describe large units of data used in measuring data storage • Example: 100 GB hard drive 8 bits = 1 Byte 1024 Bytes = 1 Kilobyte (KB) 1,048,576 Bytes = 1 Megabyte (MB) 1,043,741,824 Bytes = 1 Gigabyte (GB) 1,099,511,627,776 Bytes = 1 Terabyte (TB) Chapter 2 SAK3002 – Information Technology and Its Application

2.1 Input Device Chapter 2 SAK3002 – Information Technology and Its Application

Input Device • What is input? • Data or instructions entered into memory of computer • Input device is any hardware component that allows users to enter data and instructions Chapter 2 SAK3002 – Information Technology and Its Application

Input Device (cont’d) • Two types of input: • Data • Unprocessed text, numbers, images, audio, and video • Instructions • Programs • Commands • User responses Chapter 2 SAK3002 – Information Technology and Its Application

Input Device (cont’d) • Keyboard allows the computer user to enter • Words • Numbers • Punctuation • symbols and • special function commands into the computer’s memory Chapter 2 SAK3002 – Information Technology and Its Application

Input Device (cont’d) Chapter 2 SAK3002 – Information Technology and Its Application

mouse buttons wheel button ball mouse pad Input Device (cont’d) Pointing device controls movement of pointer, also called mouse pointer • Pointing Device Mouse • Pointing device that fits under palm of hand • Mechanical mouse has rubber or metal ball on underside Chapter 2 SAK3002 – Information Technology and Its Application

Input Device (cont’d) • Pointing Device (cont’d) Optical mouse • No moving mechanical parts inside • Senses light to detect mouse’s movement • More precise than mechanical mouse • Connects using a cable, or wireless Chapter 2 SAK3002 – Information Technology and Its Application

Input Device (cont’d) • Pointing Device (cont’d) Trackball • Stationary pointing device with a ball on its top or side • To move pointer, rotate ball with thumb, fingers, or palm of hand Chapter 2 SAK3002 – Information Technology and Its Application

Input Device (cont’d) • Pointing Device (cont’d) Touchpad and a pointing stick • Touchpadis small, flat, rectangular pointing device sensitive to pressure and motion • Pointing stickis pointing device shaped like pencil eraser positioned between keys on keyboard Chapter 2 SAK3002 – Information Technology and Its Application

Input Device (cont’d) • Pointing Device (cont’d) Joystick and a wheel • Joystickis vertical lever mounted on a base • Wheelis steering-wheel-type input device • Pedal simulates car brakes and accelerator Chapter 2 SAK3002 – Information Technology and Its Application

Input Device (cont’d) • Pointing Device (cont’d) Touch screen • Touch areas of screen with finger • Often used with kiosks Chapter 2 SAK3002 – Information Technology and Its Application

Input Device (cont’d) • Sound and voice input MIDI (musical instrument digital interface) • External device, such as electronic piano keyboard, to input music and sound effects Microphone • Allow user to input their voice Chapter 2 SAK3002 – Information Technology and Its Application

Input Device (cont’d) • Video input • Process of entering full-motion images into computer • Video capture cardis adapter card that converts analog video signal into digital signal that computer can use • Digital video (DV) camerarecords video as digital signals Chapter 2 SAK3002 – Information Technology and Its Application

Flatbed Pen or Handheld Sheet-fed Drum Input Device (cont’d) • Scanner • Light-sensing device that reads printed text and graphics • Used for image processing, converting paper documents into electronic images • Flatbed scanner – design to scan flat objects • Handheld scanner – capture small amounts of text • Sheet-fed scanner – scan one flat document at a time Chapter 2 SAK3002 – Information Technology and Its Application

Step 1: Place the document to be scanned face down on the glass window. Using buttons on the scanner or the scanner program, start the scanning process. Step 2: The scanner converts the document content to digital information, which is transmitted through the cable to the memory of the computer. Step 3: Once in the memory of the computer, users can display the image, print it, e-mail it, include it in a document, or place it on a Web page. Input Device (cont’d) How does a flatbed scanner work? Chapter 2 SAK3002 – Information Technology and Its Application

Input Device (cont’d) • Readers • Barcode Readers • Optical Mark Readers (OMR) • Radio frequency Identification (RFID) Readers • Optical Character Recognition (OCR) Devices • Magnetic Ink Character Recognition (MICR) Readers • Biometric Readers Chapter 2 SAK3002 – Information Technology and Its Application

2.2 Output Device Chapter 2 SAK3002 – Information Technology and Its Application

Output Device • What is output? • Data that has been processed into a useful form, • Output device is any hardware component that can convey information to user Chapter 2 SAK3002 – Information Technology and Its Application

Output Devices (cont’d) • Display device • Output device that visually conveys information • Information on display device sometimes called soft copy • Monitorhouses display device as separate peripheral Chapter 2 SAK3002 – Information Technology and Its Application

Output Devices (cont’d) • Display device LCD monitor • Uses liquid crystal display • Have a small footprint • Mobile devices that contain LCD displays include • Notebook computer, Tablet PC, PDA, and Smart Phone Chapter 2 SAK3002 – Information Technology and Its Application

Transparent electrodes Alignment layer Color filter Polarizing glass filter Fluorescent tube panel Output Device (cont’d) • Uses liquid compound to present information on a display How does LCD work? Step 2.As light passes through liquid crystal, electrical charge causes some of the cells to twist, making light waves bend as they pass through color filter. Step 1.Panel of fluorescent tubes emits light waves through polarizing glass filter, which guides light toward layer of liquid crystal cells. Liquid crystal cells Step 3.When light reaches second polarizing glass filter, light is allowed to pass through any cells that line up at the first polarizing glass filter. Absence and presence of colored light cause image to display on the screen. Chapter 2 SAK3002 – Information Technology and Its Application

Output Device (cont’d) • Display device Plasma monitor • Displays image by applying voltage to layer of gas • Larger screen size and higher display quality than LCD, but are more expensive Chapter 2 SAK3002 – Information Technology and Its Application p. 306 Fig. 6-7

Output Device (cont’d) • Display device CRT monitor • Contains cathode-ray tube (CRT) • Screen coated with tiny dots of phosphor material • Each dot consists of a red, blue, and green phosphor • Common sizes are 15, 17, 19, 21, and 22 inches • Viewable size is diagonal measurement of actual viewing area Chapter 2 SAK3002 – Information Technology and Its Application

portrait landscape Output Device (cont’d) • Printer • Output device that produces text and graphics on a physical medium • Result ishard copy, orprintout • Two orientations:portraitandlandscape Chapter 2 SAK3002 – Information Technology and Its Application

Output Device (cont’d) • Depends on printing needs • How do you know which printer to buy? Budget Speed Color orblack and white Cost per page Multiple copies Graphics and photo printing Paper typesand sizes Systemcompatibility Future needs Wirelesscapability Chapter 2 SAK3002 – Information Technology and Its Application

300 dpi 600 dpi 1200 dpi Output Device (cont’d) • Printer • Two basic types: • Impact • Non-impact • What is the resolution of a printer? • Sharpness and clarity • Measured by number of dots per inch (dpi) printer can output Chapter 2 SAK3002 – Information Technology and Its Application

Output Device (cont’d) • Impact printer • Characters/graphics are formed on the paper by physical striking contact between ink ribbon and paper • Examples are • dot-matrix printer (continuous paper), • line printer (mainframe/minicomputer) Chapter 2 SAK3002 – Information Technology and Its Application

Output Device (cont’d) • Nonimpact printer • Forms characters and graphics without striking paper Ink-jet printer • sprays tiny drops of liquid ink onto paper • Prints in black-and-white or color on a variety of paper types Chapter 2 SAK3002 – Information Technology and Its Application

Output Device (cont’d) Photo printer • Color printer that produces photo-lab-quality pictures • Many photo printers have a built-in card slot Chapter 2 SAK3002 – Information Technology and Its Application

Output Device (cont’d) Laser printer • High-speed, high-quality nonimpact printer • Prints text and graphics in very high-quality resolution, ranging from 1,200 to 2,400 dpi • Typically costs more than ink-jet printer, but is much faster Chapter 2 SAK3002 – Information Technology and Its Application

Output Device (cont’d) Thermal printer • Generates images by pushing electrically heated pins against heat-sensitive paper • Dye-sublimation printer (also called a digital photo printer) uses heat to transfer dye to specially coated paper Chapter 2 SAK3002 – Information Technology and Its Application

Output Device (cont’d) Mobile printer • Small, lightweight, battery-powered printer that allows mobile user to print from notebook computer, Tablet PC, or PDA while traveling Chapter 2 SAK3002 – Information Technology and Its Application

Output Device (cont’d) • Small printer that prints on adhesive-type material Label printers and Postage printers • Most also print bar codes • Postage printer has built-in digital scale and printspostage stamps Chapter 2 SAK3002 – Information Technology and Its Application

Output Device (cont’d) Plotter • Sophisticated printer used to produce high-quality drawings • Large-format printercreates photo-realistic-qualitycolor prints Chapter 2 SAK3002 – Information Technology and Its Application

Output Device (cont’d) • Audio output device • Computer component that produces music, speech, or other sounds • Speakers and headsets are common devices Chapter 2 SAK3002 – Information Technology and Its Application

Output device (cont’d) • Data projector • Device that takes image from computer screen and projects it onto larger screen Chapter 2 SAK3002 – Information Technology and Its Application

Output Device (cont’d) • Sends resistance to joystick or wheel in response to actions of user • Force feedback Chapter 2 SAK3002 – Information Technology and Its Application

2.3 Central Processing Unit (CPU) Chapter 2 SAK3002 – Information Technology and Its Application

Processor Control Unit Arithmetic Logic Unit (ALU) CPU • What is the central processing unit (CPU)? • Also called theprocessor • Interprets and carries out basic instructions that operate a computer Control Unit Arithmetic Logic Unit (ALU) • Control unit directs and coordinates operations in computer • Arithmetic logic unit (ALU) performs arithmetic, comparison, and logical operations Chapter 2 SAK3002 – Information Technology and Its Application

Memory Processor ALU Control Unit CPU (cont’d) • Four operations of the CPU comprise a machine cycle • Machine cycle Step 1. FetchObtain program instruction or data item from memory Step 2. DecodeTranslate instruction into commands Step 4. StoreWrite result to memory Step 3. ExecuteCarry out command Chapter 2 SAK3002 – Information Technology and Its Application

CPU (cont’d) • Register • Temporary high-speed storage area that holds data and instructions Stores location from where instruction was fetched Stores instruction while it is being decoded Stores data while ALU computes it Stores results of calculation Chapter 2 SAK3002 – Information Technology and Its Application

CPU (cont’d) • System clock • Controls timing of all computer operations • Generates regular electronic pulses, or ticks, that set operating pace of components of system unit Each tick is a clock cycle Pace of system clock is clock speed Most clock speeds are in the gigahertz (GHz) range (1 GHz = one billion ticks of system clock per second) Processor speed can also be measured in millions of instructions per second (MIPS) Chapter 2 SAK3002 – Information Technology and Its Application

Processor 1 Processor 2 Processor 3 Processor 4 Memory Memory Memory Memory CPU (cont’d) Control Processor • Parallel processing • Using multiple processors simultaneously to execute a program faster • Requires special software to divide problem and bring results together Results combined Chapter 2 SAK3002 – Information Technology and Its Application

2.4 Memory Unit Chapter 2 SAK3002 – Information Technology and Its Application

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Computer Hardware. Input Devices. In computing, an  input device  is any peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or other information appliance. Keyboard. Wired or wireless

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COMPUTER HARDWARE. All the physical Components that make up a Computer System. (Catherine). TERMONOLOGY BASICS. By Angus Macaulay. THE NEW USER BASZIC TERMONOLOGY COMPETENCY QUIZ. HOW DO YOU STACK UP??.

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computer hardware

computer hardware . f1031 – computer hardware. hard drive. The hard disk drive (HDD) is a magnetic storage device installed inside the computer. The storage capacity is measured in gigabytes (GB).

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Computer Hardware. Introduction. Computer System Components. Input Keyboard, Mouse, Camera, Touch Pad Processing CPU Output Monitor, Printer Storage Floppy, Hard Drive, CD, DVD, Flash Drive. Generations . The Binary System. Bits – Binary digits, or 0,1.

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Computer Hardware. 1. The parts of a computer you can see and touch. Hardware. 2. Where you see visual output from your computer. Monitor. 3. Largest circuit board. Motherboard . 4. 1 trillion bytes. Terabyte . 5. Temporary Memory. RAM.

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Computer Hardware. Topic 3. Computer Hardware. Shows location of the following devices on a standard ATX motherboard Advanced Technology Extended (ATX) – computers are standardize for parts and fit Many parts are interchangeable Not true for laptops; designs vary. Computer Hardware.

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COMPUTER HARDWARE. Types of Computers. Super Computers $5-20M 2.1B ops/sec Massively Parallel = 8.6B ops/sec Cray Main Frames $50K-5M - several million ops/sec IBM. Types of Computers. Mini Computers few thou to $100K client/server VAX by DEC

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Computer Hardware. Course: CIS 3003 Fundamental of Information Technology. Logic and Binary. Logic FALSE is represented with binary 0. Logic TRUE is represented with binary 1. AND/NAND Gates. OR/NOR Gates. XOR/NXOR Gates. Binary Addition Gate. Transistors, Logic Gates, and IC.

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Computer Hardware. The Processing Unit. The Computer System. Communication Devices. Processing Unit. Input Devices. Output Devices. Storage Devices. The Processing Unit. The main part of a microcomputer is called the System Unit Most of the processing hardware is on the motherboard.

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Computer Hardware. Unit 1 Computer Applications A. Hardware defined. Physical parts of a computer Four main components of hardware Input devices Processing unit Output devices Storage devices. Input Devices. Transport data into the computer Keyboard Mouse Scanner Digital camera

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Computer Hardware. In this lecture, we will study: The hardware components of an information system: CPU (central processing unit) Memory (primary and secondary storage) Input devices Output devices. The classification of computers by power. Strategic issues regarding hardware.

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Computer Hardware. Learning Objectives. Understand the history and evolution of computer hardware. Identify the major types and uses of microcomputer, midrange, and mainframe computer systems. Outline the major technologies and uses of computer peripherals for input, output, and storage.

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Computer Hardware. Standard 1 - Objective 1: Demonstrate understanding of computer hardware, peripherals and troubleshooting. All the physical or tangible parts of a computer

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Chapter 2. Computer Hardware. Chapter PREVIEW. When you complete this chapter, you should be able to: Explain why most computers are digital Describe the role of the ALU List factors that affect performance Explain RAM Compare storage technologies Describe computer’s expansion bus

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COMPUTER HARDWARE. Hardware is any physical part of the computer that you can touch, see and pickup. Peripheral Devices Any external device attached to the system unit is called a computer peripheral. CLASSIFICATION OF COMPUTER HARDWARE. Input devices Output devices Processing devices

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Computer Hardware. Objectives. Explain why most computers are digital Describe the role of the ALU List factors that affect performance Explain RAM Compare storage technologies Describe computer’s expansion bus Explain hardware compatibility considerations

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Data Representation and Digital Electronics. Section A. CHAPTER 2. Computer Hardware. PARSONS/OJA. Page 58. Chapter 2. Computer Hardware. Chapter PREVIEW. When you complete this chapter, you should be able to: Explain why most computers are digital Describe the role of the ALU

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