MCQ Based Questions

Which of the following algorithms is used for deadlock avoidance?

• A. Round Robin

• B. FIFO

• C. Banker's Algorithm

• D. Shortest Job First

Which memory allocation scheme suffers from external fragmentation?

• A. Paging

• B. Segmentation

• C. Contiguous Allocation

• D. None of the above

What is a deadlock?

• A. A condition where processes wait indefinitely for resources

• B. A condition where resources are allocated fairly

• C. A condition where all processes execute simultaneously

• D. A condition where processes release all resources

Which data structure is most suitable for implementing a circular buffer?

• A. Array

• B. Linked List

• C. Queue

• D. Stack

Which of the following is a disadvantage of a linked list over an array?

• A. Dynamic size

• B. Ease of insertion/deletion

• C. No need to specify initial size

• D. Higher memory usage due to pointers

Which of the following is not a type of user interface?

• A. Command Line Interface (CLI)

• B. Graphical User Interface (GUI)

• C. Menu-driven Interface

• D. Kernel Interface

Which of the following is used for process synchronization in an operating system?

• A. File locks

• B. Semaphores

• C. Disk scheduling

• D. CPU scheduling

Which of the following data structures does not allow duplicate elements?

• A. Stack

• B. Queue

• C. Set

• D. List

The truth table of a half-adder has how many input combinations?

• A. 2

• B. 4

• C. 8

• D. 16

What is the primary purpose of an operating system?

• A. To provide a user interface

• B. To manage hardware resources

• C. To allow software applications to run

• D. All of the above