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

Question

Share Report Error

What is the purpose of a memory controller in a mobile device?

A. To manage the LPDDR memory

B. To handle cellular signals

C. To manage the battery

D. To control the display

Answer: Option A

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

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Memory and Storage Devices Questions

Question #1

What is the typical access time of a modern SSD?

A. Less than 0.1 ms

B. About 50 ms

C. About 5 ms

D. About 10 ms

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option A

Explanation:
SSDs have access times in the microseconds range, typically less than 0.1 ms (100 microseconds). HDDs have access times around 5-10 ms.

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 Memory Express

C. Non-Volatile Main memory

D. Network Volatile Memory Engine

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option B

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 is non-volatile and used for long-term storage?

A. RAM

B. Cache

C. Registers

D. ROM

View Answer & Solution Discuss

Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
ROM is non-volatile and retains data without power. However, for long-term storage, hard disks and SSDs are more common; ROM is typically used for firmware. Among the options, ROM is non-volatile.

This question belongs to: Computer Memory and Storage Devices

Explore All Memory and Storage Devices MCQs