OPERATING SYSTEM EXAMINATION QUESTIONS
AND CORECT ANSWER WITH EXPLANATION
GRADED A+ STUDY GUIDE SOUTHERN NEW
HAMPSHIRE UNIVERSITY
1. An operating system is:
A. System software
B. Application software
C. Hardware device
D. Programming language
Answer: A
Rationale: OS is system software that manages hardware and software.
2. The main function of an operating system is to:
A. Manage computer resources
B. Design graphics
C. Write programs
D. Browse internet only
Answer: A
Rationale: It controls hardware and software resources.
3. Examples of operating systems include:
A. Windows, Linux, macOS
B. Word, Excel
C. Chrome, Firefox
D. C++, Java
Answer: A
Rationale: These are OS platforms.
4. Kernel is:
A. Core part of OS
B. Application program
C. Hardware device
D. Browser
Answer: A
Rationale: Kernel manages system operations.
,5. Booting is:
A. Starting computer
B. Shutting down
C. Installing software
D. Deleting files
Answer: A
Rationale: Loading OS into memory.
6. Cold boot means:
A. Starting from off state
B. Restarting system
C. Installing OS
D. Logging out
Answer: A
Rationale: Full startup from power off.
7. Warm boot means:
A. Restarting system
B. Power off
C. Installing hardware
D. Formatting disk
Answer: A
Rationale: Restart without full shutdown.
8. Process is:
A. Program in execution
B. File stored
C. Hardware part
D. Memory chip
Answer: A
Rationale: Active running program.
9. Thread is:
A. Lightweight process
B. Hardware unit
C. File type
D. Device driver
Answer: A
Rationale: Smallest execution unit.
, 10. Multitasking is:
A. Running multiple tasks
B. Single task execution
C. Hardware repair
D. File storage
Answer: A
Rationale: OS runs multiple processes.
11. Multiprogramming means:
A. Multiple programs in memory
B. One program only
C. No programs
D. Hardware upgrade
Answer: A
Rationale: Several programs loaded.
12. Time sharing allows:
A. CPU sharing among users
B. Single user only
C. Hardware change
D. File deletion
Answer: A
Rationale: CPU time division.
13. Real-time OS is used in:
A. Critical systems
B. Games only
C. Browsers
D. Text editors
Answer: A
Rationale: Requires immediate response.
14. Batch OS processes:
A. Jobs in batches
B. Single job
C. Interactive tasks only
D. Hardware tasks
Answer: A
Rationale: Group processing system.
AND CORECT ANSWER WITH EXPLANATION
GRADED A+ STUDY GUIDE SOUTHERN NEW
HAMPSHIRE UNIVERSITY
1. An operating system is:
A. System software
B. Application software
C. Hardware device
D. Programming language
Answer: A
Rationale: OS is system software that manages hardware and software.
2. The main function of an operating system is to:
A. Manage computer resources
B. Design graphics
C. Write programs
D. Browse internet only
Answer: A
Rationale: It controls hardware and software resources.
3. Examples of operating systems include:
A. Windows, Linux, macOS
B. Word, Excel
C. Chrome, Firefox
D. C++, Java
Answer: A
Rationale: These are OS platforms.
4. Kernel is:
A. Core part of OS
B. Application program
C. Hardware device
D. Browser
Answer: A
Rationale: Kernel manages system operations.
,5. Booting is:
A. Starting computer
B. Shutting down
C. Installing software
D. Deleting files
Answer: A
Rationale: Loading OS into memory.
6. Cold boot means:
A. Starting from off state
B. Restarting system
C. Installing OS
D. Logging out
Answer: A
Rationale: Full startup from power off.
7. Warm boot means:
A. Restarting system
B. Power off
C. Installing hardware
D. Formatting disk
Answer: A
Rationale: Restart without full shutdown.
8. Process is:
A. Program in execution
B. File stored
C. Hardware part
D. Memory chip
Answer: A
Rationale: Active running program.
9. Thread is:
A. Lightweight process
B. Hardware unit
C. File type
D. Device driver
Answer: A
Rationale: Smallest execution unit.
, 10. Multitasking is:
A. Running multiple tasks
B. Single task execution
C. Hardware repair
D. File storage
Answer: A
Rationale: OS runs multiple processes.
11. Multiprogramming means:
A. Multiple programs in memory
B. One program only
C. No programs
D. Hardware upgrade
Answer: A
Rationale: Several programs loaded.
12. Time sharing allows:
A. CPU sharing among users
B. Single user only
C. Hardware change
D. File deletion
Answer: A
Rationale: CPU time division.
13. Real-time OS is used in:
A. Critical systems
B. Games only
C. Browsers
D. Text editors
Answer: A
Rationale: Requires immediate response.
14. Batch OS processes:
A. Jobs in batches
B. Single job
C. Interactive tasks only
D. Hardware tasks
Answer: A
Rationale: Group processing system.
