Operating System [GATE (Graduate Aptitude Test in Engineering) Computer Science]: Questions 1 - 5 of 312

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Question 1

Question

MCQ▾

If the executing program size is greater than the existing RAM of a computer, it is still possible to execute the program if the OS supports ________.

Choices

Choice (4)Response

a.

Segmentation

b.

Multitasking

c.

Virtual memory

d.

All of the above

Question 2

Question

MCQ▾

In memory management, physical memory is broken into fixed-sized blocks called ________.

Choices

Choice (4)Response

a.

Segments

b.

Frame

c.

Pages

d.

Question does not provide sufficient data or is vague

Question 3

Operating System

Question

MCQ▾

CPU burst time indicates the time, the process needs the CPU. The following are

the set of processes with their respective CPU burst time (in milliseconds) .

Processes CPU-burst time (FCFS)

P1 5

P2 10

P3 6

Calculate the average waiting time if the processes arrived in the following order: P1, P2, P3

Choices

Choice (4)Response

a.

9.00

b.

6.66

c.

10

d.

All of the above

Question 4

Operating System

Question

MCQ▾

________ synchronizes critical resources to prevent dead lock.

Choices

Choice (4)Response

a.

Semaphore

b.

mutual exclusion

c.

critical section

d.

None of the above

Question 5

Operating System

Question

MCQ▾

System calls provide an interface to the services made available by an ________

Choices

Choice (4)Response

a.

Application system

b.

System software

c.

Operating system

d.

Question does not provide sufficient data or is vague

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