What metric represents the total data volume that can be written to a solid state drive before its flash cells degrade permanently? MCQ with Answer and Explanation

Question

What metric represents the total data volume that can be written to a solid state drive before its flash cells degrade permanently?

A. Bus Width

B. TBW (Terabytes Written)

C. CAS Latency

D. RPM

Answer: Option B

Solution (By JKSSB Mock Tests)

TBW (Terabytes Written) is an endurance metric that specifies the total cumulative amount of data an SSD can safely write before flash memory cell degradation risk increases.

This question belongs to: Computer Memory and Storage Devices

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Question #1

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What does the term 'cache hit' refer to?

A. Data is not found in the cache

B. Cache is cleared

C. Data is found in the cache

D. Cache is full

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Correct Answer: Option C

Explanation:
A cache hit occurs when the CPU requests data and it is found in the cache memory, avoiding the need to access slower main memory.

This question belongs to: Computer Memory and Storage Devices

Question #2

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What is the typical capacity of a standard DVD+R disc?

A. 25 GB

B. 4.7 GB

C. 700 MB

D. 8.5 GB

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Correct Answer: Option B

Explanation:
DVD+R (single-layer) holds 4.7 GB, same as DVD-R.

This question belongs to: Computer Memory and Storage Devices

Question #3

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Which operational characteristic distinguishes a 'Cold Boot' from a 'Warm Boot' regarding system memory?

A. A cold boot requires cooling the RAM modules manually with specialized fans.

B. A warm boot systematically reformats the secondary storage partitions.

C. A cold boot bypasses the execution of the BIOS firmware instructions completely.

D. A cold boot starts from a complete zero-power state, completely clearing all volatile memory contents.

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Correct Answer: Option D

Explanation:
A cold boot involves turning on a computer from a powered-off state, initializing all hardware and starting with cleared volatile memory, whereas a warm boot simply restarts the OS without cutting hardware power.

This question belongs to: Computer Memory and Storage Devices

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