Operating System (GATE (Graduate Aptitude Test in Engineering) Computer Science): Questions 55 - 60 of 129

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Question number: 55

» Operating System » Memory Management and Virtual Memory

MCQ▾

Question

In direct access, the file is viewed as a numbered sequence of ________ or ________.

Choices

Choice (4) Response

a.

Block

b.

Record

c.

tag

d.

Both a. and b. are correct

Question number: 56

» Operating System » Memory Management and Virtual Memory

MCQ▾

Question

Buffer cache is provided, both memory mapping and the read () and write () system calls use the same page cache is called I/O using a ________

Choices

Choice (4) Response

a.

Unified buffer cache.

b.

Buffer cache unified

c.

Buffer cache.

d.

Question does not provide sufficient data or is vague

Question number: 57

» Operating System » CPU Scheduling

MCQ▾

Question

________ SJF algorithm will allow the currently running process to finish its CPU burst.

Choices

Choice (4) Response

a.

Non- Preemptive Scheduling

b.

Round-Robin Scheduling

c.

first-come first-served

d.

Question does not provide sufficient data or is vague

Question number: 58

» Operating System » Concurrency

MCQ▾

Question

A schedule in which each transaction is executed atomically is called a ________.

Choices

Choice (4) Response

a.

Serial schedule

b.

Parallel schedule

c.

Combine schedule

d.

Question does not provide sufficient data or is vague

Question number: 59

» Operating System » CPU Scheduling

MCQ▾

Question

SJF stands for

Choices

Choice (4) Response

a.

smallest-job-first

b.

shortest-job-found

c.

shortest-job-first

d.

None of the above

Question number: 60

» Operating System » Concurrency

MCQ▾

Question

The________ of the transactions determines the serializability order.

Choices

Choice (4) Response

a.

Serial schedule

b.

schedule

c.

Timestamps

d.

None of the above

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