Computer Operating System Mcqs Page 3

Computer Operating System Mcqs

41- Multitasking operating systems allow:

A. Only file management

B. Only batch processing

C. Only one program at a time

D. Multiple programs simultaneously

View Answer

Answer : D. Multiple programs simultaneously

Description

42- Multi-user operating systems provide:

A. File sharing and concurrent access for multiple users

B. Only single-user tasks

C. Only printing

D. Only memory management

View Answer

Answer : A. File sharing and concurrent access for multiple users

Description

43- Kernel mode is used to:

A. Display graphics

B. Store files

C. Control hardware and manage system resources

D. Run user applications

View Answer

Answer : C. Control hardware and manage system resources

Description

44- User mode is used to:

A. Run system software

B. Run user applications

C. Manage hardware directly

D. Schedule CPU

View Answer

Answer : B. Run user applications

Description

45- Device management in operating system ensures:

A. Efficient use of devices

B. Memory allocation only

C. File creation

D. Security only

View Answer

Answer : A. Efficient use of devices

Description

46- Operating system multitasking improves:

A. File storage

B. CPU utilization and efficiency

C. Display quality only

D. Network speed only

View Answer

Answer : B. CPU utilization and efficiency

Description

47- Operating systems provide platform for:

A. Running application software

B. Only printing

C. Only input devices

D. Only storage

View Answer

Answer : A. Running application software

Description

48- Examples of command-line operating systems include:

A. DOS, Unix

B. Windows

C. macOS

D. Android

View Answer

Answer : A. DOS, Unix

Description

49- Time-sharing operating systems are designed to:

A. Connect to networks only

B. Only process files

C. Allow multiple users to share CPU efficiently

D. Provide CPU time to one user

View Answer

Answer : C. Allow multiple users to share CPU efficiently

Description

50- The operating system performs which of the following?

A. Hardware management

B. Memory management

C. File management

D. All of the above

View Answer

Answer : D. All of the above

Description

51- An operating system is responsible for:

A. Printing documents only

B. Storing files only

C. Only running applications

D. Managing hardware and software resources

View Answer

Answer : D. Managing hardware and software resources

Description

52- The kernel is the part of the operating system that:

A. Manages CPU, memory, and devices

B. Provides a graphical interface

C. Connects to networks only

D. Runs application software

View Answer

Answer : A. Manages CPU, memory, and devices

Description

53- Which of the following is NOT an operating system?

A. Windows

B. Linux

C. Microsoft Word

D. macOS

View Answer

Answer : C. Microsoft Word

Description

54- A multi-user operating system:

A. Works only on mobile devices

B. Is command-line only

C. Allows only one task at a time

D. Allows multiple users to access resources simultaneously

View Answer

Answer : D. Allows multiple users to access resources simultaneously

Description

55- The main function of an operating system is to:

A. Create hardware

B. Manage computer resources

C. Connect to the internet only

D. Display documents

View Answer

Answer : B. Manage computer resources

Description

56- Real-time operating systems are used in:

A. Word processing

B. Gaming consoles

C. Personal computers

D. Medical equipment, robotics, and embedded systems

View Answer

Answer : D. Medical equipment, robotics, and embedded systems

Description

57- Batch processing operating systems:

A. Require user interaction

B. Execute jobs in groups without interaction

C. Are only for mobile phones

D. Are used for real-time systems

View Answer

Answer : B. Execute jobs in groups without interaction

Description

58- Multitasking in operating systems means:

A. Executing one program at a time

B. Running multiple programs concurrently

C. Only using storage devices

D. Connecting multiple networks

View Answer

Answer : B. Running multiple programs concurrently

Description

59- Time-sharing operating systems:

A. Execute tasks sequentially

B. Are used in gaming

C. Allow multiple users to share CPU efficiently

D. Assign CPU time to one user only

View Answer

Answer : C. Allow multiple users to share CPU efficiently

Description

60- Multi-threading allows:

A. Running multiple threads of a single program concurrently

B. Running multiple programs simultaneously

C. Only memory allocation

D. Only input/output operations

View Answer

Answer : A. Running multiple threads of a single program concurrently

Description