Which of the following is a type of memory that is used for storing data in a mobile phone? MCQ with Answer and Explanation

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Which of the following is a type of memory that is used for storing data in a mobile phone?

A. DRAM

B. SRAM

C. All of the above

D. eMMC

Answer: Option C

Solution (By JKSSB Mock Tests)

Mobile phones use eMMC or UFS for storage, DRAM for main memory, and SRAM for cache in the processor.

This question belongs to: Computer Memory and Storage Devices

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What is the typical storage capacity of a standard DVD?

A. 25 GB

B. 128 GB

C. 4.7 GB

D. 700 MB

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Correct Answer: Option C

Explanation:
A standard single-layer DVD holds about 4.7 GB (or 4.38 GiB) of data. A CD holds ~700 MB, Blu-ray single layer ~25 GB, and pen drives vary.

This question belongs to: Computer Memory and Storage Devices

Question #2

What is the typical capacity of a USB flash drive in 2026?

A. 128 GB

B. 1 GB

C. 2 TB

D. 16 MB

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Correct Answer: Option A

Explanation:
128 GB is a common capacity for USB flash drives in 2026, though larger capacities exist. 1 GB and 16 MB are outdated.

This question belongs to: Computer Memory and Storage Devices

Question #3

What is the typical capacity of a standard microSD card?

A. Up to 512 GB (common)

B. Up to 32 GB

C. Up to 2 TB (standard SDXC)

D. Up to 2 GB

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Correct Answer: Option A

Explanation:
MicroSD cards are available in many capacities; SDHC up to 32 GB, SDXC up to 2 TB, but common sizes in 2026 are 16, 32, 64, 128, 256, 512 GB. So 512 GB is a typical large capacity.

This question belongs to: Computer Memory and Storage Devices

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