What is the typical speed of a hard disk's interface SATA III in Gbps? MCQ with Answer and Explanation

What is the typical speed of a hard disk's interface SATA III in Gbps?
A. 3 Gbps
B. 12 Gbps
C. 6 Gbps
D. 16 Gbps
Answer: Option C
Solution (By JKSSB Mock Tests)
SATA III (SATA 6G) has a maximum data rate of 6 Gbps. SATA II is 3 Gbps, SATA I is 1.5 Gbps.

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Practice More Memory and Storage Devices Questions

Question #1
What is the typical capacity of a CD-ROM in minutes of audio?
A. 60 minutes
B. 74 minutes
C. 90 minutes
D. 80 minutes

Correct Answer: Option D


Explanation:
Standard CD-ROM holds 80 minutes of audio (or 700 MB), though earlier ones held 74 minutes (650 MB).

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the purpose of a memory bank in DRAM?
A. To increase voltage
B. To allow independent access to different sections of memory
C. To store multiple copies of data
D. To reduce latency

Correct Answer: Option B


Explanation:
Memory banks in DRAM allow concurrent access to different banks, increasing parallelism and throughput.

This question belongs to: Computer Memory and Storage Devices
Question #3
What does the term 'memory latency' refer to?
A. The time to refresh memory
B. The delay between issuing a request and getting the data
C. The amount of data transferred per second
D. The time to transfer data from memory to CPU

Correct Answer: Option B


Explanation:
Memory latency is the time delay from when a memory access request is issued to when the data is available. It includes various delays like address decoding, access time, and bus latency.

This question belongs to: Computer Memory and Storage Devices