computer hardware pdf

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Parts of a Computer and Their Functions

Hardware Basics Going over the parts of a computer and their functions will help you understand all the vital components that make up a computer It’s a great place to start if you want to begin learning about computers Not only is it a good entry point but it’s also something good to know for curiosity’s sake

PDF	BASIC COMPUTER HARDWARE AND SOFTWARE The term hardware refers to the physical components of your computer such as the system unit mouse keyboard monitor etc The software is the instructions that makes the computer work

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Hardware

Overview Computers were invented by many teams of people all working on particular parts Like most machines a computer is made of separate pieces with specific functions that all work together The physical pieces of a computer are called hardware and the virtual pieces of a computer are called software

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Chapter 3 Computer Hardware

A computer system is an integrated set of hardware and software designed to process data and produce a meaningful result Every computer performs the basic functions of input processing storage output and transmission of data Instructions and data are entered processed into results that are stored for later use and output in a useful for-mat

How do hardware components communicate with software components?
Hardware components communicate with software components through a piece of low level software called the Operating System, or OS. The OS is the computer’s manager; it’s in charge of translating input from your key-board and mouse, displaying information on the screen, and moving things around in memory.
What is computer hardware?
Computer hardware consists of the physical parts of a computer system, the parts that are tangible, (that you can touch). This includes the computer case, screen, keyboard, mouse, printer, pen drive, and also all the parts inside the computer case, for example components such as the hard disk drive, motherboard or video card.
What are the components of a computer system?
nComponents of a computer system nTypes of computer systems nFunctions and components of the central processing unit (CPU) nFunctions of the system board and hardware interface nPeripheral devices and performance criteria for: nSecondary storage nInput nOutput nNetwork fundamentals 3.1 Computer Systems

3.1 Computer Systems

A computer system is an integrated set of hardware and software designed to process data and produce a meaningful result. Every computer performs the basic functions of input, processing, storage, output, and transmission of data. Instructions and data are entered, processed into results that are stored for later use, and output in a useful for-mat

3.2 Computer Platforms

Computers have fundamental differences based on the hardware components, such as processors, and the operating systems that they use. An operating system is the software that manages the computer’s resources and executes application programs. The combi-nation of hardware and operating system is often called the computer platform. samples.jbpub.com

Microcomputer Platforms

The two most common microcomputer platforms are Macintosh and Windows-based PCs. The Macintosh platform utilizes hardware developed by Apple. Apple defines the hard-ware specifications and develops the operating system to control the hardware. Apple currently manufacturers multimedia computers in several configurations: MacBook (end user laptop), i

3.3 Computer Hardware Basics

Computer hardware is divided into two main categories: the system unit and peripherals. The system unit contains the electronic components used to process and temporarily store data and instructions (Figure 3.2). These components include the central process-ing unit, primary memory, and the system board. Peripheral devices are hardware used for inp

The System Unit and the Box

Many refer to the rectangular box of the computer as the system unit. In fact, that “box” can contain several peripheral devices such as hard drives, optical drives, and even the monitor. As computer sizes shrink, manufacturers combine peripherals with the system unit in a single container. computers. The CPU has three essential sets of transistors

Machine Cycle (with pipelining)

Instruction 2 Figure 3.4 Modern processors support pipelining to increase the performance of the processor. In pipelining, instructions are sent to the processor in stages. replace them with a simpler set of instructions for executing the most common com-mands used by the processor. These common commands are combined to carry out the less frequent

Peripheral Devices

Peripheral devices are the hardware components that input, output, and permanently store data and applications for computer processing. Although often located close to the system unit, they are outside the main processing circuitry and thus are considered peripheral (Figure 3.7). The functions and performance characteristics of peripherals are impo

Pits, Lands, and EFM

Pits and lands do not translate directly to bits. Instead, optical discs use an encoding system called eight-to-fourteen modulation (EFM). Fourteen bits are used to encode the 8 bits of a data byte. The extra information is used to ensure the accuracy of the optical reading of each byte. reflected or deflected. The disc acts as a reflective mirror

Input Devices for Multimedia Computers

Multimedia requires a variety of input devices to transmit data and instructions to a system unit for processing and storage. Keyboards and pointing devices, such as trackballs, touch pads, and touch screens, are central to interacting with graphical user interface (GUI) applications and operating system software. Other devices are neces-sary to in

Considerations for Selecting a Printer

Resolution (measured in dpi) Speeds (measured in ppm) Cost of the printer Cost of consumables (paper, inks, toner) Paper-handling features (duplexers, envelopes, labels, legal, continuous paper forms) Built-in memory capacity (more is always better) Computer and network interface (USB, parallel, Ethernet capable) Maintenance requirements (service c

3.4 Networks

Multimedia projects may require input from many individuals working independently on their personal computers. The integration of this work requires a network of comput-ers. A network is a collection of computers connected through a communication link to share hardware, data, and applications. Networks also allow individual processors in each compu

3.5 Summary

Computers are manufactured in many sizes and platforms. Mainframe and supercom-puters are used in organizations with high volumes of data and complex processing requirements. Personal computers use microprocessors to bring computing power to the desktop of both multimedia developers and end users. Personal computers are defined by their platform, t

Key Terms

Access point Access time Active matrix ADC Address bus Arithmetic logic unit (ALU) ASCII Bit depth Blu-ray Bluetooth Bus Cache Constant angular velocity (CAV) CCD CD-DA CD-R CD-ROM CD-RW Client Clock speed Cloud storage Color resolution Computer platform Computer system Constant linear velocity (CLV) Control unit CPU Cross-platform compatibility CR

Discussion Questions

Recommend four essential system unit performance features a video developer should consider when purchasing a computer to import, edit, and store digital video. Identify the five main uses of secondary storage and recommend a storage medium for each one to manage 900 MB of digital sound. What are the three major categories of secondary storage devi

Computer Hardware Basics Explained with Parts Exploring My Computer

What Is Computer Hardware ? Beginners Guide To Computer Hardware.

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PDF	Hardware Components of a Computer Hardware Components of a computer refers to the collection of physical parts www.dspmuranchi.ac.in/pdf/Blog/Input%20Output%20and%20Memory%20Devices.pdf.

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