Computer Knowledge 2
An electronic device that accepts data as input, processes the data, to produce information.
Information fed into the computer system.
to carry out operations on data or programs.
useful information that leaves the system.
Raw material ready for processing.
Data that has been processed and turned into useful facts.
Area of the computer that holds data on a permanent basis.
Measures speed of the central processing unit.
1 million cycles per second.
1 billion cycles per second.
the process of starting up the computer.
Personal computer or micro computer
A personal computer based on a microprocessor.
Personal computer that fits on a desk - more power and storage for less cost than a laptop.
A portable computer - all components contained withing the laptop.
Large, expensive computer that able to process data for thousands of users at the same time.
Fastest, most powerful computers available.
A cell phone that offers many features including internet access and applications. (apps)
A wireless, portable personal computer which uses a touch screen.
Area of the computer that temorarily holds data that is waiting to be processed, stored, or output.
1 million bytes
1 billion bytes
1 trillion bytes
physical parts of the computer ( mouse keyboard printer cpu)
provides the computer with instructions to be completed
a program that controls some aspects of the operation of a computer. Examples Operating System, compiler, utility program.
a program the preforms a specific function. examples word proccesing, spreadsheet, presentations, a game, a photo program.