INTRODUCTION TO COMPUTERS
BASIC OF COMPUTERS//INTRODUCTION TO COMPUTERS
~computer Latin word. compute
~calculation machine
Definition
.its an electronic device that is used for information processing, A computer system includes a computer,peripheral devices, and software.
౦Accepts input,processes data, store data, and produces output
input refers to whatever is sent to a computer system
Data refers to the symbols that represent facts, objects, and ideas
processing is the way that a computer manipulate data
A computer processes data in a device called the central processing unit(CPU)
Memory is the area of a computer that holds data that is waiting to be processed, stored, or output
Storage is the area where data can be left on permanent basis
Computer output is the result produced by the computer
૦An output device displays, prints or transmits the results of processing
computer perform computations and makes logical decisions millions/billions times faster than human beings
computer programs-sets of instructions for which computer processes data
Hardware-physical devices of computer
software-program that run on computers
