What does the term 'seek time' refer to in a hard disk drive? MCQ with Answer and Explanation

What does the term 'seek time' refer to in a hard disk drive?
A. Time to transfer data to the computer
B. Time to move the head to the correct track
C. Time to rotate the disk
D. Time to read data from the sector
Answer: Option B
Solution (By JKSSB Mock Tests)
Seek time is the time taken for the read/write head to move to the correct track (cylinder) on the platter where the data is stored.

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Practice More Memory and Storage Devices Questions

Question #1
What is the typical speed of a 5400 RPM hard disk in terms of data transfer?
A. About 100 MB/s (sustained)
B. About 50 MB/s
C. About 10 MB/s
D. About 200 MB/s

Correct Answer: Option B


Explanation:
5400 RPM HDDs typically have sustained transfer rates around 50-100 MB/s, but 5400 RPM drives are slower than 7200 RPM, often around 50-80 MB/s. However, modern drives may reach 100+ MB/s. For exam, 50-100 MB/s is typical.

This question belongs to: Computer Memory and Storage Devices
Question #2
How many bytes are there in one Megabyte (MB) when calculated using binary measurement standard?
A. 1,048,576 Bytes
B. 1024 Bytes
C. 1,000,000 Bytes
D. 1000 Bytes

Correct Answer: Option A


Explanation:
In binary notation, 1 KB = 1024 Bytes, and 1 MB = 1024 KB. Therefore, 1024 * 1024 = 1,048,576 Bytes.

This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a classic example of a sequential-access data media format?
A. Blu-ray Disc
B. Floppy Disk
C. Magnetic Tape
D. Solid State Drive

Correct Answer: Option C


Explanation:
Magnetic tape systems lack addressable coordinate sectors, forcing the drive mechanism to advance or rewind linearly through the tape roll to reach a specific block.

This question belongs to: Computer Memory and Storage Devices