Computer Terminologies crossword

a small handheld device which is moved across a mat
a movable indicator on a computer screen identifying the point that will be affected by input from the user.
information which the computer stores
a flat panel or area on an electronic device such as a computer, on which images and data are displayed.
a device that is used to project rays of light, especially an apparatus with a system of lenses for projecting slides or film on to a screen.
a panel of keys that operate a computer or typewriter
the programs and other operating information used by a computer.
the machines,wiring, and other physical components of a computer or other electronic system.
a place where, or a device through which, energy or information enters a system.
a place where power or infomation leaves a system.
an image that represents an application, a capability, or some other concept or specific entity with meaning for the user.
a global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols.
an artificial body placed in orbit round the earth or moon or another planet in order to collect information or for communication.
a series of interconnected nodes that can transmit, receive and exchange data,voice and video traffic.
a seperate viewing area on a computer display screen in a system that allows multiple viewing areas as part of a graphical user interface.
the primary component of a computer that processes instructions.