Computer Hardware

Eva Gray

Hard Drive HDD/SSD

Hard drives are the main sources of storage on your computer, which is stored inside the body of the computer. It is used for saving programs, photos, videos, music, and anything you want to save onto the computer. It contains an arm and a disk, which moves as you use and save files on your computer. It is a relatively quick way of accessing files and programs. Todays hard drives come with alot more storage than they used too, with some having several billion bytes (gigabytes) of storage.

SSDs are smaller, more contemporary ways of storing programs and files. They are quick, easy to use devices and have no moving parts. It stands for solid state drive. As they have no vulnerable parts, they can be dropped without breaking. If a hard drive was dropped, the arm would probably snap.

Optical Drive

This is a device for reading films, blu-rays, video games or CDs, depending on the type of optical Drive. In a PS3, for example, the optical drive is a blu-ray drive, meaning that you can play all differet types of disks. It can hold much more information than the classic portable media media options like the floppy disk. It uses a laser to read or write information on a disk. It contains three parts; a laser, a lens and a photodiode.
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Optical Drive

Monitor

The monitor in a computer displays the video and graphics information generated by the computer through the video card. They are very similar to televisions in that display videos or pictures, but they display information at a much higher resolution. Most monitors range from 15" to 21" or sometimes higher. This size is usually measured diagonally across the screen from one corner to another.
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Computer Monitor

CPU

This stands for Central Processing Unit. This is the brains of the computer, and does most of the calculating. It is the most important element of the computer system. The CPU is inserted directly into a CPU socket, pin side down, on the motherboard. Each motherboard will only support a specific type of CPU, so you must be careful to make sure you buy a CPU and a motherboard which go together. One large machines, the CPU requires on or more printed circuit boards. On a smaller computer, the CPU is housed in a single chip called a microprocessor.
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CPU