What is the purpose of a memory controller in a mobile device? MCQ with Answer and Explanation

Question
What is the purpose of a memory controller in a mobile device?
A. To manage the battery
B. To manage the LPDDR memory
C. To control the display
D. To handle cellular signals
Answer: Option B
Solution (By JKSSB Mock Tests)
In mobile devices, the memory controller manages the LPDDR (Low-Power DDR) memory, optimizing power consumption and performance.
This question belongs to: Computer Memory and Storage Devices
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Practice More Memory and Storage Devices Questions

Question #1
What does the term 'form factor' refer to when talking about SSDs?
A. The physical size and shape
B. The type of NAND flash
C. The storage capacity
D. The data transfer speed
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Correct Answer: Option A

Explanation:
Form factor describes the physical dimensions and connector type of the SSD, such as 2.5-inch, M.2, or PCIe add-in card, determining compatibility with the system.
This question belongs to: Computer Memory and Storage Devices
Question #2
What does the acronym 'NVMe' stand for?
A. New Virtual Memory Extension
B. Non-Volatile Main memory
C. Network Volatile Memory Engine
D. Non-Volatile Memory Express
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Correct Answer: Option D

Explanation:
NVMe is a protocol designed for SSDs using PCIe, providing low latency and high throughput for non-volatile memory.
This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following memory types has the fastest access time in a computer system hierarchy?
A. Cache Memory
B. Main Memory (RAM)
C. Registers
D. Secondary Storage
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Correct Answer: Option C

Explanation:
CPU registers are located inside the processor itself and have the fastest access time, followed by cache memory, main memory, and secondary storage.
This question belongs to: Computer Memory and Storage Devices
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