GATE 2020 : Operating System Quiz 1

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Question 1

Choose correct option:

• A1-Q, 2-R, 3-P.
• B1-P, 2-S, 3-R
• C1-S, 2-P, 3-Q
• D1-Q, 2-S, 3-P.

Question 2

_____ converts to _____ when a process requests a resource.

• AAssignment edge, Request edge
• BRequest Edge, Assignment edge
• CClaim edge, Assignment edge
• DClaim edge, Request edge

Question 3

Which of the following scheduling algorithms is non-preemptive?

• ARound Robin
• BFirst-In First-Out
• CMultilevel Queue Scheduling
• DMultilevel Queue Scheduling with Feedback

Question 4

Which of the following is not the disk scheduling algorithm?

• AC-SCAN
• BFCFS
• CC-LOOK
• DSJF

Question 5

Compaction is

• AFreeing the block to allocate another
• BFreeing the resources to allocate another
• CPacking all the free blocks to create one free block
• DNone of these

Question 6

We can say that an Overlays is:

• APart of Operating System
• BSpecific memory location
• CSingle contiguous memory used to run large program
• DOverloading the system with many user files

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