156. windows explorer

windows explorer- a file manager application that is included with releases of the Microsoft Windows OS from Windows 95 onwards.

155. window

window- a square/rectangular part of a computer screen that has a display different from the rest of the screen.

154. wildcard characters

wildcard characters- a character that may be switched for any of a defined subset of all possible characters.

153. Wide area networks (WANs)

Wide area networks (WANs)- a computer network that covers any network whose communications links cross metropolitan, regional, or national boundaries.

152. virus

virus- a software program that can reproduce itself and can also cause greatly harm to files.

151. utility software

utility software- a kind of system software made to help analyze, configure, optimize and maintain the computer.

150. user interface

user interface- a program that controls a display for the user (usually on a monitor) and that lets the user to interact with the system.