Sunday, May 27, 2007

some basic definitions about computers

what is a computer?
It is a machine designed to manipulate data based on the instructions.

what is the CPU?
the part of a computer (a microprocessor chip) that does most of the data processing.

what is a motherboard?
The main circuit board for a computer.

what is a compiler?
a program that decodes instructions written in a higher order language and produces an assembly language program.

what is an assembler?
A program to convert assembly language into machine language.

what is LLL?
LLL stands for Low Level Language. It is also called machine language. It is the language that the computer can understand.

what is HLL?
HLL stands for High Level Language. It is the language that is preferred by programmers because it is close to the human syntax. All HLL programs must be rendered into LLL code in order to be executed by the CPU.

what is the Control Unit?
It is the part that translates every instruction so they can be executed.

what is MultiTasking?
The computer gives the user the illusion of executing many programs at the same time by switching between each program very fast.

what is MultiProcessing?
The work load can be divided among many processors.

what is Networking?
Computers or devices that share ressources.


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