Operating System (GATE Computer Science): Questions 79 - 85 of 129

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Question number: 79

» Operating System » Processes

MCQ▾

Question

Breaking logical memory into blocks of the same size called ________.

Choices

Choice (4) Response

a.

Segment

b.

Frames

c.

Pages

d.

All of the above

Question number: 80

» Operating System » Memory Management and Virtual Memory

MCQ▾

Question

What is attached to a computer by a set of wires called an I/O bus?

Choices

Choice (4) Response

a.

Disk driver

b.

A disk drive

c.

Disk system

d.

All of the above

Question number: 81

» Operating System » Deadlock

MCQ▾

Question

Deadlocks can be described more precisely in terms of a directed graph called a ________

Choices

Choice (4) Response

a.

System resource-allocation graph.

b.

system reallocation-allocation graph.

c.

System resource-algorithm graph.

d.

None of the above

Question number: 82

» Operating System » Memory Management and Virtual Memory

MCQ▾

Question

I/O-device technology exhibits how many conflicting trends?

Choices

Choice (4) Response

a.

Three

b.

Five

c.

Two

d.

Four

Question number: 83

» Operating System » CPU Scheduling

MCQ▾

Question

The ________ algorithm, in contrast, allows a process to move between queues.

Choices

Choice (4) Response

a.

Multilevel feedback-stack scheduling

b.

Multilevel feedback-queue scheduling

c.

Multiprocessor feedback-queue scheduling

d.

None of the above

Question number: 84

» Operating System » File Systems

MCQ▾

Question

What type of storage device is a special-purpose storage system that is accessed remotely over a data network?

Choices

Choice (4) Response

a.

Magnetic disk

b.

Magnetic tape

c.

network-attached storage (NAS) device

d.

Question does not provide sufficient data or is vague

Question number: 85

» Operating System » Processes

MCQ▾

Question

Both the first-fit and best-fit strategies for memory allocation suffer from ________.

Choices

Choice (4) Response

a.

External fragmentation

b.

Internal fragmentation

c.

Other

d.

All of the above

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