Which of the following is a magnetic storage device? MCQ with Answer and Explanation

Question

Share Report Error

Which of the following is a magnetic storage device?

A. Blu-ray disc

B. Hard disk

C. Pen drive

D. SSD

Answer: Option B

Solution (By JKSSB Mock Tests)

Hard disks are magnetic storage devices that use magnetic media to store data. SSDs and pen drives use flash memory, and Blu-ray uses optical technology.

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

How many bits are contained within a data block size of exactly 4 Bytes?

A. 64 bits

B. 128 bits

C. 32 bits

D. 16 bits

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Since one byte is strictly defined as 8 bits, a 4-byte block contains exactly $4 imes 8 = 32$ bits.

This question belongs to: Computer Memory and Storage Devices

Question #2

What is the capacity of a standard mini CD?

A. 700 MB

B. 1.4 GB

C. 650 MB

D. 210 MB

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Mini CDs (8 cm) hold about 210 MB (or 21 minutes of audio), as opposed to standard 700 MB CDs.

This question belongs to: Computer Memory and Storage Devices

Question #3

Which of the following storage devices has the largest storage capacity per unit cost?

A. Magnetic tape

B. Blu-ray disc

C. Hard disk

D. SSD

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
Magnetic tape offers the lowest cost per gigabyte, making it ideal for massive archival storage, though access is slow.

This question belongs to: Computer Memory and Storage Devices

Explore All Memory and Storage Devices MCQs