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Operating Systems Concepts - Engineering

Q1:

The term "operating system" means

A a set of programs which controls computer working

B the way a computer operator works

C conversion of high level language into machine code

D the way a floppy disk drive operates

E None of the above

ANS:A - a set of programs which controls computer working

It is a generic term which is consisting of four major key word like kernel+X-Windows+third party software+boot loader.

The main functionality of os:-
1. File management
2. Memory mgmt
3. Network mgmt
4. I/O mgmt
5. Process mgmt