Antivirus - A program that is designed to protect a computer against malicious software such as viruses, Central Processing - considered the brain of the computer, Ergonomics - the science of designing the job, equipment and workplace, Monitor - A television- like device used to display data, Modifier Keys - the Caps lock, shift keys which change the function of the character keys, Storage Device - the equipment that is used for recording data, Input Device - any piece of hardware that is used to enter data or to control signals of the computer, Light pen - a light sensitive input device which detects the presence or absence of light when it touches the screen, Output Devices - used to send messages out of the computer in form of text, images, sounds or coded signals, Printer - a device that takes the information on yout computer and produces a hard copy, Impact Printer - creates a printout by using metal pins to press an inked ribbon onto a sheet a paper., Speaker - produces output in the form of sound, Flash Drive - is a small, relatively inexpensive, portable storage device that connects to the computer to the computer via USB port., Application - refers to the programs that perform specific tasks for users, including word-processing software., Operating - is a set of programs that coordinates the activities among computer devices.,

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