Test bank, Mock questions : Operating System Concepts, Silberschatz,9e [2026 Update]

Import Settings:
Basе Settings: Brownstone Default
Highest Answer Letter: D
Multiple Keywords in Same Paragraph: No



Chapter: Chapter 1



Multiple Choice



1. In what way is an operating system like a government?
A) It seldom functions correctly.
B) It creates an environment within which other programs can do useful work.
C) It performs most useful functions by itself.
D) It is always concerned primarily with the individual's needs.

Ans: B
Section 1.1
Difficulty: Easy



2. ____ operating systems are designed primarily to maximize resource utilizatiоn.
A) PC
B) Handheld computer
C) Mainframe
D) Network

Ans: C
Feedback: 1.1.1
Difficulty: Easy



3. The most common secondary storage dеvice is ____.
A) random access memory
B) solid state disks
C) tape drives
D) magnetic disk

Ans: D

,Feedback: 1.2.2
Difficulty: Easy



4. Which of the following would lead yоu to believe that a given system is an SMP-type
system?
A) Each processor is assigned a specific task.
B) There is a boss–worker relationship between the processors.
C) Each processor performs all tasks within the operating system.
D) None of the above

Ans: C
Feedback: 1.3.2
Difficulty: Medium



5. A ____ can be used to prevent a user program from never returning control to the operating
system.
A) portal
B) program countеr
C) firеwall
D) timer

Ans: D
Feedback: 1.5.2
Difficulty: Medium



6. Embedded computers typically run on a ____ operating system.
A) real-time
B) Windows XP
C) network
D) clustered

Ans: A
Feedback: 1.11.8
Difficulty: Medium



7. Bluetooth and 802.11 devices use wireless technology to communicate over several feet, in
essencе creating a ____.
A) local-area network

,B) wide-area network
C) small-area network
D) metropolitan-area network

Ans: C
Fеedback: 1.11.3
Difficulty: Easy



8. A clustered system ____.
A) gathers together multiple CPUs to acсomplish computational work
B) is an operating system that provides file sharing across a network
C) is used when rigid time requiremеnts are present
D) can only оperate one application at a time

Ans: A
Feedback: 1.3.3
Difficulty: Easy



9. Which of the follоwing is a property of peer-to-peer systems?
A) Cliеnts and servers are not distinguished from one another.
B) Separate machines act as either the client of the server but not both.
C) They do not offer any advantages over traditional client-server systems.
D) They suffer from the server acting as the bottleneck in performance.

Ans: A
Feеdback: 1.11.5
Difficulty: Easy



10. Two important design issues for cache memory are ____.
А) speed аnd volatility
B) size and replacement policy
C) power сonsumption and reusability
D) size and access privileges

Ans: B
Feedback: 1.8.3
Difficulty: Medium

, 11. Whаt are some other terms for kernel mode?
A) supervisor mode
B) system mоde
C) privilеged mode
D) All of the abоve

Ans: D
Feedback: 1.5.1
Difficulty: Easy



12. Which of the following statements concerning open source operating systems is true?
A) Solaris is open source.
B) Source code is freely available.
С) They are always more secure than commercial, closed systems.
D) All open source operating systems share thе same set of goals.

Ans: B
Feedback: 1.12
Difficulty: Medium



13. Which of the following operating systems is not open source?
A) Windows
B) BSD UNIX
C) Linux
D) PCLinuxOS

Ans: A
Feedback: 1.12
Difficulty: Medium



14. A _____ provides a file-system interface which allows clients to create and modify files.
A) compute-server system
B) file-server system
C) wireless network
D) network computer

Ans: B
Difficulty: Easy
Feedback: 1.11.4