Computer Hardware

2nd year ICT

HARD DRIVE/SSD

A Hard Drive stores all the information of your computer. It saves your files and data. You can also use a SSD (Solid State Drive) which is the same thing but is smaller, has no moving parts and more expensive. It is used in an iPhone, iPad etc. An SSD card is used more nowadays because it stores more information, fits in smaller things and is quicker to use.

OPTICAL DRIVE

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SSD

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Optical Drive

An Optical Drive is used to read discs such as, DVDs, CDs and blu-ray. It is used in laptops, computers, xbox, playstation, wii etc.

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Moniter

The monitor is the screen which allows you to see what you are doing. It is attached to the computer.

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CPU

CPU stands for Central Processing Unit. It is the brain of the computer and does the calculatung. It is one of the most important parts in a calculator.
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RAM

RAM stands for Random Access Memory. It is the memory of the computer and stores the information temporarily so you can access it easily.
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Motherboards

A mother board is the main link to everything. It is where everything connects to and is where all the compartments are attached.
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Inputs/Outputs

An input device is something that you attach to the computer and allows to put the information you want into the computer. For example a mouse is attached and allows you to click on what you want and a keyboard is also another example. An output device is something that allows you send out information such as a printer, scanner and a photocopier.

A mouse is an input

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A printer is an output device.

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Touch Screens

A touch screen is a screen which is sensitive to touch. Your finger is technically your mouse. It is both an input and an output.

Touch screen

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