Operating System MCQs with Answers
Practice important Operating System MCQs with answers and explanations.
Multiple Choice Questions
Q41: In a batch system, the user interacts with the system in ________.
- A: Real-time
- B: a batch job
- C: a console
- D: a single task
View Answer
B
Q42: The primary goal of single-user systems is to maximize ________.
- A: CPU utilization
- B: user convenience and responsiveness
- C: system throughput
- D: multi-tasking
View Answer
B
Q43: Which of the following operating systems can be run in single-user mode?
- A: Windows
- B: Linux
- C: MacOS
- D: All of the above
View Answer
D
Q44: A system where jobs are processed one after another without user interaction is called ________ system.
- A: Multi-programmed
- B: Time-sharing
- C: Batch
- D: Real-time
View Answer
C
Q45: Which of the following is an example of a time-sharing system?
- A: UNIX
- B: Linux
- C: Windows NT Server
- D: All of the above
View Answer
D
Q46: Real-time systems have well-defined, ________ time constraints.
- A: Flexible
- B: Variable
- C: Fixed
- D: No
View Answer
C
Q47: Which of the following is NOT a characteristic of a soft real-time system?
- A: It guarantees that tasks will be completed on time
- B: Critical tasks are given priority
- C: Non-critical tasks can be delayed
- D: It allows for multitasking
View Answer
A
Q48: Which of these operating systems is NOT a real-time system?
- A: Industrial control systems
- B: Medical imaging systems
- C: Scientific experiments
- D: Windows XP
View Answer
D
Q49: When a program is interrupted by a signal such as SIGINT, the process can ________ the signal.
- A: Ignore
- B: Terminate
- C: Retry
- D: Pause
View Answer
A
Q50: Hardware protection in an operating system prevents processes from ________ each other's data.
- A: Modifying
- B: Sharing
- C: Accessing
- D: All of the above
View Answer
A