What is the function of a memory sector on a hard disk? MCQ with Answer and Explanation

Question

Share Report Error

What is the function of a memory sector on a hard disk?

A. It is a group of cylinders

B. It is a group of tracks

C. It is the smallest addressable unit of storage

D. It is a buffer for data

Answer: Option C

Solution (By JKSSB Mock Tests)

A sector is the smallest unit of data that can be addressed on a hard disk, typically 512 bytes or 4 KB.

This question belongs to: Computer Memory and Storage Devices

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Memory and Storage Devices Questions

Question #1

Which of the following is a type of memory that uses magnetic domains to store data?

A. Flash memory

B. CD-ROM

C. DRAM

D. Hard disk

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Hard disks store data magnetically on platters. Flash uses charge traps, optical uses pits, DRAM uses capacitors.

This question belongs to: Computer Memory and Storage Devices

Question #2

What is the function of 'Wear Leveling' algorithms implemented inside Solid State Drives?

A. To distribute write operations evenly across flash blocks to prevent premature cell failure.

B. To accelerate the rotational velocity of the external data interfaces.

C. To delete old software files automatically when space drops below ten percent.

D. To equalize the weight distribution of the internal electronic boards.

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Because flash memory blocks endure a finite number of write cycles, wear leveling algorithms distribute writes evenly across the physical medium to extend the drive's operational lifespan.

This question belongs to: Computer Memory and Storage Devices

Question #3

What is the function of a memory buffer register (MBR)?

A. To hold the memory address

B. To hold data read from or written to memory

C. To store the instruction

D. To manage cache

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

Explanation:
The MBR holds the data that is being transferred to or from memory, acting as an intermediate storage.

This question belongs to: Computer Memory and Storage Devices

Explore All Memory and Storage Devices MCQs