In Windows, the 'Disk Defragmenter' is optimized for: MCQ with Answer and Explanation

In Windows, the 'Disk Defragmenter' is optimized for:
A. Mechanical hard disk drives (HDDs)
B. Solid-state drives (SSDs)
C. Both HDDs and SSDs
D. USB flash drives
Answer: Option A
Solution (By JKSSB Mock Tests)
Defragmentation is beneficial for HDDs; SSDs use wear leveling and do not require defragmentation; Windows may recognize SSDs and trim instead.

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Practice More Operating Systems Questions

Question #1
Which security mechanism in Android keeps individual apps completely isolated from each other so they cannot access another app's data without explicit permission?
A. App Sandboxing
B. Defragmentation
C. Overclocking
D. Ahead-of-Time Compiling

Correct Answer: Option A


Explanation:
Android leverages App Sandboxing, backed by Linux user group permissions, to run each application in an isolated environment so it cannot access other applications' operational files.

This question belongs to: Computer Operating Systems
Question #2
Which partition type is required to boot an operating system from a GPT formatted drive under UEFI firmware standards?
A. Swap Partition
B. EFI System Partition (ESP)
C. Extended Logical Partition
D. NTFS Primary Boot Sector

Correct Answer: Option B


Explanation:
The EFI System Partition (ESP) formatted with a FAT file system contains the bootloaders, drivers, and configuration files required by UEFI firmware.

This question belongs to: Computer Operating Systems
Question #3
Which of the following is the official default file system used by most modern distributions of Linux?
A. HFS+
B. FAT16
C. NTFS
D. ext4

Correct Answer: Option D


Explanation:
The Fourth Extended File System (ext4) is the current standard, highly reliable file system used by default across major Linux distributions.

This question belongs to: Computer Operating Systems