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Operating System (OS)

Operating System (OS)
Which of the following is system software ?

Compiler
Operating system
All of the listed here
Utillities

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Operating System (OS)
Essential files of MS DOS are

Lo.sys
All of the listed here
Msdos.sys
Command.com

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Operating System (OS)
First-in-First-Out (FIFO) scheduling is

Non Preemptive Scheduling
Fair Share Scheduling
Preemptive Scheduling
Deadline Scheduling

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Operating System (OS)
What is the name of the system which deals with the running of the actual computer and not with the programming problems?

Source program
None of these
Systems program
Operating system
Object program

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Operating System (OS)
An incremental backup

should be done each month
saves only files that have recently changed
uses more tapes
saves all files
None of these

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Operating System (OS)
Poor response time are usually caused by

Any of the listed here
High I / I rates
High paging rate
Process busy

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