Operator Paper



COMPUTER FUNDAMENTAL

1. Introduction
2. Hardware / Software
3. Programs
4. Internet
5. Practical





DEFINITION OF COMPUTER:



Computer is an electronic device which receives input from the users as in the form of raw data from the input device and stores data input into the storage unit then performing the function and controlling the instruction into the control unit and produce the accurate result into the output unit.


OR



A computer is an electronic device which takes input and stores the data in memory and manipulation and performing the function to produce accurate result in output device. 


FUNCTION OF COMPUTER

The functions of computer are as follows :-

§ Takes raw data as input.

§ Stores data instruction in the memory and use them when required. 

§ Processes the data and convert it into useful information. 

§ Generals the output.

§ Controlling all above four steps.

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