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OS Chapter 1

Authored by Syed Muhafiz

Engineering

University

Used 2+ times

OS Chapter 1
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50 questions

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1.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

If a diskless system downloads the OS at 5 MB/s and the OS image is 250 MB, how long will it take?

30 sec
45 sec
50 sec
60 sec

2.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Time to load OS = 90 seconds. If OS is compressed to 60% and decompression takes 15 seconds, what's the new boot time?

54 sec
69 sec
60 sec
72 sec

3.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

An OS supports 3 types of users: admin (10%), power users (30%), and regular users (60%). If 500 users are logged in, how many are regular users?

300
250
200
100

4.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Which of the following best describes multiprogramming?

Executing multiple parts of one program
Executing programs with multiple users
Keeping multiple programs in memory simultaneously
Executing programs without I/O support

5.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

In a multiprogramming system with 4 programs in memory, if each waits for I/O 20% of the time, what is the CPU utilization?

0.2
0.41
0.8
0.99

6.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Which of the following is an example of spooling?

Using RAM to print documents
Storing print jobs in a queue
Executing CPU-bound processes
Managing swap memory

7.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Spooling is primarily used to:

Improve CPU throughput
Manage printer I/O
Optimize cache hits
Avoid segmentation faults

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