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

Question
What is the typical capacity of a microSD card used in smartphones as of 2026?
A. Up to 1 TB
B. Only 32 GB
C. 2-8 GB
D. 16-512 GB
Answer: Option D
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.
This question belongs to: Computer Memory and Storage Devices
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Practice More Memory and Storage Devices Questions

Question #1
What is the primary advantage of using DDR4 over DDR3 RAM?
A. Lower data transfer rates
B. Higher operating voltage
C. Larger physical size
D. Higher data rates and lower power consumption
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Correct Answer: Option D

Explanation:
DDR4 offers higher data rates (up to 3200 MT/s and beyond) and lower operating voltage (1.2V vs 1.5V for DDR3), leading to improved performance and efficiency.
This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is an advantage of optical storage over magnetic storage?
A. Lower cost per GB
B. More durable (resistant to magnetic fields)
C. Higher capacity
D. Faster read/write speeds
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Correct Answer: Option B

Explanation:
Optical discs are immune to magnetic fields and are relatively durable under normal handling, while magnetic disks can be damaged by strong magnetic fields. However, optical is slower and lower capacity.
This question belongs to: Computer Memory and Storage Devices
Question #3
What is the function of the 'read' operation in memory?
A. To retrieve data from a memory location
B. To store data to a memory location
C. To clear a memory location
D. To move data between registers
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Correct Answer: Option A

Explanation:
A read operation fetches data from a specified memory address and transfers it to the CPU or another component.
This question belongs to: Computer Memory and Storage Devices
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