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GATE CS 2018 -Operating System Boost_Up Quiz (CPU Scheduling ,Deadlock, Threads )

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Question 1

Consider the following justifications for commonly using the two level CPU scheduling:
I. Its is used when memory is too small to hold all the ready processes.
II. Because its performance is same as that of FIFO.
III. Because it facilitates putting some set of processes into memory and a choice is made from that.
IV. Because it does not allow to adjust the set of in-core processors.

Question 2

Which of the following statements is not true for Multi Level Feedback Queue processor scheduling algorithm?

Question 3

The problem of indefinite blockage of low-priority jobs in general priority scheduling algorithm can be solved using

Question 4

In the process management Round-robin method is essentially the pre-emptive version of _________

Question 5

Pre-emptive scheduling is the strategy of temporarily suspending a running process

Question 6

In round robin CPU scheduling as time quantum is increase the average turn around time

Question 7

Which of the following statement is wrong?
I. 2-phase locking protocol suffer from dead lock.
II. Time stamp protocol suffer from more aborts.
III. A block hole in a DFD is a data store with only inbound flows.
IV. Multivalued dependency among attribute is checked at 3 NF level.
V. An entity-relationship diagram is a tool to represent event model.

Question 8

Resources are allocated to the process to non-sharable basis is

Question 9

Which of the following is scheme to deal with deadlock?

Question 10

Threads of a process share

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GATE & PSU CS Operating System

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