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OS Final Exam 2025

Authored by Ulbibi Otarbay

Computers

University

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OS Final Exam 2025
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40 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A set of processes is in deadlock when:

All are running

All are terminated

Each is blocked and can't proceed

They are waiting to start

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The address of the next instruction to be executed by the current process is provided by the:

IR

AC

PC

MAR

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A single thread of control allows a process to:

Run in parallel

Only one task at a time

Share memory

Use multiple CPUs

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The objective of multi-programming is to::

Reduce memory usage

To maximize CPU utilization

Save power

Reduce user interaction

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a long-term scheduler?

Chooses the next I/O operation

It selects which process has to be brought into the ready queue

Allocates memory

Manages file systems

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a short-term scheduler?

Allocates RAM

It selects which process has to be executed next and allocates CPU

Loads programs from disk

Manages long-term planning

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The primary distinction between the short-term and long-term scheduler is:

Scheduling method

Memory usage

The frequency of their execution

Number of processes handled

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