Which of the following is a disadvantage of paging? MCQ with Answer and Explanation

Question
Which of the following is a disadvantage of paging?
A. Slow allocation
B. External fragmentation
C. Complex memory management
D. Internal fragmentation
Answer: Option D
Solution (By JKSSB Mock Tests)
Paging causes internal fragmentation because the last page of a process may not be fully used; external fragmentation is eliminated.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
Which Windows feature provides a centralized location for system settings and control?
A. System Configuration
B. Both Control Panel and Settings
C. Settings app
D. Control Panel
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Correct Answer: Option B

Explanation:
Windows offers both Control Panel (legacy) and Settings (modern) for system configuration; many settings overlap.
This question belongs to: Computer Operating Systems
Question #2
Which Linux command is used to display the system's network interfaces and their IP addresses?
A. route
B. ip addr
C. ifconfig
D. netstat
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Correct Answer: Option C

Explanation:
ifconfig is older but still common; ip addr from iproute2 is the modern equivalent. Both display interface config.
This question belongs to: Computer Operating Systems
Question #3
Which of the following is a feature of the Windows 'BitLocker' that uses a TPM?
A. Trusted Platform Module for hardware-based encryption key storage
B. Software-only encryption
C. USB key authentication only
D. Password only
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Correct Answer: Option A

Explanation:
BitLocker can use TPM to secure encryption keys, providing hardware protection against attacks.
This question belongs to: Computer Operating Systems
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