Input, Storage and Output Devices

Mouse

Input Device - sometimes called a point and click as this is its main use. Has the advantage of making computers easier to use for all "users"

OMR Scanner

Input Device - stands for Optical Mark Recognition. Used to scan marked paper such as a register or a lottery ticket form. Much quicker and reduces error.

Barcode Scanner

Input Device used in supermarkets. This has the advantage of reducing error and increasing the speed to serve customers

Keyboard

Input Device which allows you to key in data QWERTY keyboards are the most common

Plotter

Output Device - used by design firms and architects to produce larger copies or printouts. Very costly device and specialist usage.

Printer

Output Device - used to get a physical copy of your work. Laser Printers are used by businesses but are very costly

Monitor

Output Device which displays information on screen

Hard-Drive

Storage Device - Found inside the computer. Very large capacity to store information but not easy to carry around with you

CD-ROM

Storage Device - Optical disc. This form of CD can only be read from. You cannot change what is on it. This is often used for computer games.

USB Stick

Storage Device - most common form of storage device as easy to transfer data, relatively quick to save and low cost device.