What does the term 'multiprocessing' refer to? MCQ with Answer and Explanation

What does the term 'multiprocessing' refer to?
A. The use of two or more CPUs within a single computer system
B. Using multiple operating systems on one computer
C. Running multiple programs on a single CPU
D. The ability to process multiple tasks simultaneously in a single program
Answer: Option A
Solution (By JKSSB Mock Tests)
Multiprocessing involves multiple CPUs (or cores) to execute multiple processes in parallel, improving performance.

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Practice More Operating Systems Questions

Question #1
Which of the following is a popular bootloader for Linux?
A. LILO
B. BOOTMGR
C. NTLDR
D. GRUB

Correct Answer: Option D


Explanation:
GRUB (GRand Unified Bootloader) is the most common bootloader for Linux distributions; LILO is older but less used.

This question belongs to: Computer Operating Systems
Question #2
What is the purpose of the Windows 'Safe Mode'?
A. To load the last known good configuration
B. To enable network support for recovery
C. To boot with minimal drivers and services for troubleshooting
D. To run the system with maximum performance

Correct Answer: Option C


Explanation:
Safe Mode loads only essential drivers and services, allowing users to diagnose and fix system issues caused by problematic software or drivers.

This question belongs to: Computer Operating Systems
Question #3
In Windows, which command is used to list all running services?
A. tasklist
B. sc query
C. services.msc
D. net start

Correct Answer: Option B


Explanation:
The 'sc query' command (Service Control) displays the status of all installed services, while services.msc opens the GUI.

This question belongs to: Computer Operating Systems