Computer Basics/Hardware/Input devices

File:Crystal Project computer.png

Computer Basics

Basic skills and knowledge to use a computer in the workplace or at home.
An OP Online course from the National Certificate in Computing (Level 2) programme.

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Input devices

Input devices are used as a means to insert data into a computer.

Input devices	Function
Keyboard Sometimes difficult to use!!! Looks like a typewriter with extra keys!! There are different types of keyboards eg natural or ergonomic, cordless, rollup.	File:Swedish keyboard 20050614.jpg Keyboard Used to input data into the computer. Display shows character entered. Has additional keys alongside the alphanumeric keys: special purpose keys eg Ctrl, Alt, Esc; numeric keypad, function keys and cursor control keys.
Mouse A hand-held device that moves on a ball, has buttons on top that you click. Moved on a mouse pad (smooth surface).	File:Wheel mouse.JPG Mouse Point and click mouse pointer to move the cursor. Double click to take an action (eg open a file, select something). Click, hold and drag, to move data.

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