Operating System MCQs with Answers
Practice important Operating System MCQs with answers and explanations.
Multiple Choice Questions
Q11: What ensures that a new file does not overwrite an existing file?
- A: User request
- B: CPU scheduling
- C: OS file management
- D: Compiler
View Answer
C
Q12: When a program finishes, its memory space must be ________ by the OS.
- A: Allocated
- B: Deallocated
- C: Reused immediately
- D: Ignored
View Answer
B
Q13: If a process tries to access memory that does not belong to it, it is prevented by the ________.
- A: Application
- B: Compiler
- C: Operating System
- D: User
View Answer
C
Q14: Operating system allows programs larger than main memory to be executed by using ________.
- A: Multithreading
- B: Virtual Memory
- C: Flash Storage
- D: Cache
View Answer
B
Q15: The OS schedules CPU(s) to allow ________ execution of processes.
- A: Sequential
- B: Simultaneous
- C: Parallel only
- D: Redundant
View Answer
B
Q16: What must the OS prevent to ensure smooth process execution?
- A: Errors
- B: Deadlocks
- C: File access
- D: Memory usage
View Answer
B
Q17: ________ ensures the integrity of shared data among cooperating processes.
- A: Synchronization
- B: Compilation
- C: Memory allocation
- D: File systems
View Answer
A
Q18: A user can manage files and directories using ________.
- A: CPU
- B: Application code
- C: Operating System services
- D: Network protocols
View Answer
C
Q19: Which operating system types are focused on in this course?
- A: Windows
- B: UNIX and Linux
- C: MacOS
- D: Android
View Answer
B
Q20: A program that acts as an intermediary between the user and hardware is called ________.
- A: Compiler
- B: Operating System
- C: Web Browser
- D: Interpreter
View Answer
B