What is the size of a standard sector in traditional hard disk drives? MCQ with Answer and Explanation

What is the size of a standard sector in traditional hard disk drives?
A. 512 Bytes
B. 4096 Bytes
C. 2048 Bytes
D. 1024 Bytes
Answer: Option A
Solution (By JKSSB Mock Tests)
Traditional hard drive architectures format sectors to a standard size of 512 bytes, though newer 'Advanced Format' drives use 4096 bytes (4 KB).

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Practice More Memory and Storage Devices Questions

Question #1
What is the primary advantage of an SSD over a traditional hard disk?
A. Lower cost per GB
B. Higher capacity
C. Longer lifespan
D. No moving parts, faster access

Correct Answer: Option D


Explanation:
SSDs have no moving parts and use flash memory, providing much faster read/write speeds and lower latency compared to HDDs, which rely on spinning platters and mechanical heads.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is the fastest type of solid-state storage interface?
A. NVMe over PCIe
B. SATA III
C. Thunderbolt
D. USB 3.0

Correct Answer: Option A


Explanation:
NVMe (Non-Volatile Memory Express) over PCIe offers the lowest latency and highest throughput among common storage interfaces, significantly faster than SATA and USB.

This question belongs to: Computer Memory and Storage Devices
Question #3
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