What is the typical capacity of a microSD card used in smartphones as of 2026? MCQ with Answer and Explanation

What is the typical capacity of a microSD card used in smartphones as of 2026?
A. 16-512 GB
B. Up to 1 TB
C. 2-8 GB
D. Only 32 GB
Answer: Option A
Solution (By JKSSB Mock Tests)
MicroSD cards in 2026 commonly range from 16 GB to 512 GB, with 1 TB cards available but less common. The typical range is 16-512 GB for consumer use.

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Practice More Memory and Storage Devices Questions

Question #1
What is the role of a write buffer in memory?
A. To prevent overwriting
B. To temporarily hold write data to allow the CPU to continue without waiting
C. To store frequently read data
D. To increase memory capacity

Correct Answer: Option B


Explanation:
A write buffer holds data to be written to memory, allowing the CPU to continue execution while the write operation completes asynchronously.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the memory hierarchy order from fastest to slowest?
A. Hard disk, RAM, Cache, Registers
B. Cache, Registers, RAM, Hard disk
C. RAM, Cache, Registers, Hard disk
D. Registers, Cache, RAM, Hard disk

Correct Answer: Option D


Explanation:
The memory hierarchy from fastest to slowest is typically: Registers (fastest), then Cache, then RAM (main memory), then secondary storage like Hard disk (slowest).

This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a type of memory that is manufactured with a mask during production and cannot be altered?
A. EEPROM
B. PROM
C. Mask ROM
D. EPROM

Correct Answer: Option C


Explanation:
Mask ROM is factory-programmed using a photomask and cannot be changed by the user. PROM can be programmed once, EPROM can be erased with UV, and EEPROM electrically.

This question belongs to: Computer Memory and Storage Devices