Computer: Computer is an electronic device that takes data as input. Processes the data and finally it produces the output based on input.
Input----Processing ---- Output.
Components of computer System---
1.Hardware
2.Software
3.Humanware.
4.Operational procedures .
1.Hardware : All the physical component of computer system which we can touch is called as Hardware. Ex: Cpu, Monitor etc.
2.Software: Collection of program is called software.Ex.Operating syste,,ms office etc.
3.Humanware;Human involvement with computer system is called humanware.3 types of human ware .
1.Analyst.
2.programmer
3.Operator.
1.Analyst: The person who has vast knowledge and who analyses a system makes a design to convent manual system to computerize system is analyst.
2.programmer: The person who has less knowledge than analyst and who writes program for assistant is called programmer.
3.Operator: The person who has least knowledge and who only operates a system is called operator.
4.Operational procedures : The rules that will define how to use computer system. How to make change in hardware and software etc.
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