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Internal hardware components, cost, image and function


CPU: $100-$1000


The Central Processing Unit (CPU) or the processor is the portion of a computer system that carries out the instructions of a computer program, and is the primary element carrying out the computer's functions.





Memory:$50-$300


In computing, memory refers to the state information of a computing system, as it is kept active in some physical structure. The term "memory" is used for the information in physical systems which are fast (ie. RAM), as a distinction from physical systems which are slow to access (ie. data storage).





Hard Disk: $100-$400


A hard disk drive[2] (hard disk,[3] hard drive,[4] HDD) is a non-volatile storage device for digital data. It features one or more rotating rigid platters on a motor-driven spindle within a metal case. Data is encoded magnetically by read/write heads that float on a cushion of air above the platters.



DVD ROM: $20-$200


DVD, also known as Digital Video Disc or Digital Versatile Disc, is an optical disc storage media format,

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External hardware components and peripherals, cost, image and function

Monitor: $100-$300 A monitor or display (sometimes called a visual display unit) is an electronic visual display for computers.               Laser Printer: $150-$400 A laser printer is a common type of computer printer that rapidly produces high quality text and graphics on plain paper.       Projector: $300-$3000 A video projector takes a video signal and projects the corresponding image on a projection screen using a lens system. Scanner: $100-$300 In computing, a scanner is a device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image.
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