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Subject :NCO    Class : Class 9
What is the name of a system program which helps the execution of user programs?

Ans 1:

Class : Class 9
Operating System.. Reason : When your PC turns on,OS starts and from there only you can access other programs like powerpoint,final cut,etc

Ans 2:

Class : Class 7
Batch Operating system

Ans 3:

Class : Class 10
Operating System

Ans 4:

Class : Class 10

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