A copy or duplicate version, especially of a file, program, or entire computer system, retained for use in the event that the original is in some way rendered unusable.
What is a backup on the computer
100
A hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad; on the bottom of the device is a ball that rolls on the surface of the pad; "a mouse takes much more room than a trackball"
What is mouse
100
A device that displays signals on a computer screen.
What is a download
200
a software program that allows the user to find and read encoded documents in a form suitable for display, especially such a program for use on the World Wide Web
What is a browser on the computer
200
A hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad; on the bottom of the device is a ball that rolls on the surface of the pad; "a mouse takes much more room than a trackball"
What is a speaker
200
A picture, image, or other representation.
What is a icon
300
The initial page of a site on the World Wide Web.
What is a home page
300
An instrument that automatically records telegraphic messages by means of a printing mechanism activated by incoming signals.
What is Printer
300
The image that is presented when you log on to your computer.
What is wall paper
400
Computers . the programs used to direct the operation of a computer, as well as documentation giving instructions on how to use them.
What is software
400
A set of keys, usually arranged in tiers, for operating a typewriter, typesetting machine, computer terminal, or the like.
What is a keyboard
400
The image that is presented when you log on to your computer.
What is a task bar
500
A segment of self-replicating code planted illegally in a computer program, often to damage or shut down a system or network.
What is virus
500
Usually electronic, that processes data according to a set of instructions. The digital computer stores data in discrete units and performs arithmetical and logical operations at very high speed. The analog computer has no memory and is slower than the digital computer but has a continuous rather than a discrete input. The hybrid computer combines some of the advantages of digital and analog computers.
What is Computer
500
A device that displays signals on a computer screen.