Operating System MCQs with Answers
Practice important Operating System MCQs with answers and explanations.
Chapter: 1
Q21:
Operating System makes the computer system ________ to use.
A. Difficult
B. Complex
C. Convenient
D. Costly
Correct Answer:
C
Chapter: 1
Q22:
What is copied when the command copy file1 file2 is executed?
A. Operating system
B. Hardware resources
C. File1 to File2
D. Disk controller
Correct Answer:
C
Chapter: 1
Q23:
In resource management, the operating system allocates ________.
A. Only CPU time
B. All hardware and software resources
C. Only Memory
D. Only Disk space
Correct Answer:
B
Chapter: 1
Q24:
The operating system must operate the computer system ________ and fairly.
A. Rapidly
B. Randomly
C. Efficiently
D. Privately
Correct Answer:
C
Chapter: 1
Q25:
The operating system prevents errors and improper use of the computer by acting as a ________.
A. Resource manager
B. Control program
C. Compiler
D. User program
Correct Answer:
B
Chapter: 1
Q26:
The operating system manages execution of user programs to ________.
A. Improve performance
B. Prevent errors
C. Enhance graphics
D. Boost internet speed
Correct Answer:
B
Chapter: 1
Q27:
Software and hardware combined together in a computer system implement solutions for ________.
A. Games
B. Problems
C. Communication
D. Storage
Correct Answer:
B
Chapter: 1
Q28:
Control Unit is a part of ________.
A. CPU
B. RAM
C. Monitor
D. Hard Disk
Correct Answer:
A
Chapter: 1
Q29:
Floating Point Unit mainly handles ________ operations.
A. Integer
B. Floating Point
C. Logical
D. Bitwise
Correct Answer:
B
Chapter: 1
Q30:
RAM and ROM are types of ________ storage.
A. Secondary
B. Primary
C. Tertiary
D. Magnetic
Correct Answer:
B
Chapter: 1
Q31:
Hard Disk is connected to the system via ________.
A. Data cable
B. Memory bus
C. System bus
D. USB
Correct Answer:
C
Chapter: 1
Q32:
System Bus connects all major ________ of the computer system.
A. Files
B. Components
C. Programs
D. Users
Correct Answer:
B
Chapter: 1
Q33:
Printer and Monitor are examples of ________ devices.
A. Storage
B. Processing
C. Output
D. Input
Correct Answer:
C
Chapter: 1
Q34:
Keyboard and Mouse are ________ devices.
A. Output
B. Storage
C. Input
D. Processing
Correct Answer:
C
Chapter: 1
Q35:
Loading a program into memory is handled by the ________.
A. Application program
B. User
C. Operating System
D. Disk Controller
Correct Answer:
C
Chapter: 1
Q36:
Operating System must minimize the amount of ________ memory space.
A. Unused
B. Used
C. Shared
D. Secure
Correct Answer:
A
Chapter: 1
Q37:
Disk scheduling is done to manage ________ requests.
A. Memory
B. CPU
C. Disk
D. Network
Correct Answer:
C
Chapter: 1
Q38:
A deadlock occurs when processes are waiting for ________ held by each other.
A. CPU cycles
B. Data
C. Resources
D. Programs
Correct Answer:
C
Chapter: 1
Q39:
Protecting files and directories is a responsibility of the ________.
A. Compiler
B. Network
C. Operating System
D. Disk controller
Correct Answer:
C
Chapter: 2
Q40:
A computer system that allows only one user at a time is known as a ________ system.
A. Single-user
B. Multi-user
C. Batch
D. Real-time
Correct Answer:
A