Explore topic-wise MCQs in Operating System.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Operating System knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is an example of Spooled Device?

A. A graphic display device
B. A line printer used to print the output of a number of jobs
C. A terminal used to enter input data to a running program
D. A secondary storage device in a virtual memory system
Answer» C. A terminal used to enter input data to a running program
Discussion
2.

Windows NT uses a __________ implementation for I/O.

A. message – passing
B. draft – passing
C. secondary memory
D. cache
Answer» B. draft – passing
Discussion
3.

A ____ a set of wires and a rigidly defined protocol that specifies a set of messages that can be sent on the wires.

A. port
B. node
C. bus
D. none of the mentioned
Answer» D. none of the mentioned
Discussion
4.

Match the following list1 with list2:a. DMA I/O -------------------------------------- 1. High speed RAMb. Cache ---------------------------------------- 2. Diskc. Interrupt I/O --------------------------------- 3. Printerd. Condition code register ------------------- 4. ALU

A. a – 2, b – 1, c – 3, d - 4
B. a – 4, b – 1, c – 3, d - 2
C. a – 2, b – 3, c – 1, d - 4
D. a – 3, b – 4, c – 2, d - 1
Answer» B. a – 4, b – 1, c – 3, d - 2
Discussion
5.

Why is the Software interrupt required by the processor?

A. Return from subroutine.
B. Obtain system services, which need execution of privileged instruction.
C. Test the interrupt system of the processor.
D. Implement co-routines.
Answer» C. Test the interrupt system of the processor.
Discussion