In Windows, the 'Task Manager' performance tab shows: MCQ with Answer and Explanation

In Windows, the 'Task Manager' performance tab shows:

A. List of running processes

B. User accounts

C. CPU, memory, disk, and network usage graphs

D. Startup programs

Answer: Option C

The performance tab provides real-time graphs and statistics for system resources like CPU, RAM, disk, and network.

This question belongs to: Computer Operating Systems

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Question #1 Report Error

In Windows, the 'Registry' has five root keys. Which one contains information about the current hardware configuration?

A. HKEY_CURRENT_USER

B. HKEY_CLASSES_ROOT

C. HKEY_CURRENT_CONFIG

D. HKEY_LOCAL_MACHINE\HARDWARE

Correct Answer: Option C

Explanation:
HKEY_CURRENT_CONFIG (HKCC) stores information about the current hardware profile; HKLM\HARDWARE also contains hardware info.

This question belongs to: Computer Operating Systems

Question #2 Report Error

What is the role of the 'swap space' in Linux?

A. It caches frequently accessed files

B. It is used for temporary file storage

C. It stores system logs

D. It serves as virtual memory (paging space) on disk

Correct Answer: Option D

Explanation:
Swap space is a partition or file used as an extension of physical memory, allowing the system to page out inactive memory pages.

This question belongs to: Computer Operating Systems

Question #3 Report Error

Which Linux command is used to view the contents of a file one page at a time?

A. more

B. cat

C. head

D. less

Correct Answer: Option D

Explanation:
less allows forward and backward scrolling, more is older and only forward; cat dumps all content.

This question belongs to: Computer Operating Systems