What is the approximate read speed of a typical SATA III SSD? MCQ with Answer and Explanation

What is the approximate read speed of a typical SATA III SSD?
A. 50 GB/s
B. 50 MB/s
C. 5 GB/s
D. 500 MB/s
Answer: Option D
Solution (By JKSSB Mock Tests)
SATA III SSDs typically achieve sequential read speeds around 500-550 MB/s, limited by the SATA III interface (600 MB/s max). NVMe SSDs are faster.

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Practice More Memory and Storage Devices Questions

Question #1
Which memory chip technology allows data blocks to be written and erased simultaneously using low-voltage electrical signals over standard circuit layouts?
A. Core Magnetic Grid
B. UV-EPROM
C. Flash Memory
D. Mask ROM

Correct Answer: Option C


Explanation:
Flash memory is an advanced form of EEPROM that allows multiple memory locations to be erased or written in one collective block operation using electrical currents.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a type of optical disc that can store up to 25 GB on a single layer?
A. DVD
B. Blu-ray
C. HD DVD
D. CD

Correct Answer: Option B


Explanation:
A single-layer Blu-ray disc can store approximately 25 GB of data. DVD holds 4.7 GB, and CD holds about 700 MB.

This question belongs to: Computer Memory and Storage Devices
Question #3
What does the term 'double buffering' refer to in memory management?
A. Storing two copies of data for redundancy
B. Using two buffers to overlap I/O and processing
C. Using two separate memory banks
D. Using two levels of cache

Correct Answer: Option B


Explanation:
Double buffering uses two buffers: one is being filled/read while the other is being processed, allowing overlap and reducing wait times.

This question belongs to: Computer Memory and Storage Devices