What is the function of a memory controller in a system on chip (SoC)? MCQ with Answer and Explanation

What is the function of a memory controller in a system on chip (SoC)?
A. To manage the power supply
B. To process graphics
C. To handle networking
D. To control the memory interface
Answer: Option D
Solution (By JKSSB Mock Tests)
In an SoC, the memory controller manages the interface between the processor and the external memory (DRAM), handling data transfers and commands.

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Practice More Memory and Storage Devices Questions

Question #1
When a computer is turned off, the contents of which component are completely lost?
A. SSD
B. ROM
C. Hard Disk Drive
D. RAM

Correct Answer: Option D


Explanation:
RAM is volatile memory; it requires an active electrical current to maintain stored data, which is wiped when power is removed.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a classic example of a sequential-access data media format?
A. Floppy Disk
B. Magnetic Tape
C. Blu-ray Disc
D. Solid State Drive

Correct Answer: Option B


Explanation:
Magnetic tape systems lack addressable coordinate sectors, forcing the drive mechanism to advance or rewind linearly through the tape roll to reach a specific block.

This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a type of memory that is used for storing temporary data in a web browser?
A. ROM
B. Cache memory
C. RAM
D. Hard disk

Correct Answer: Option C


Explanation:
Web browsers store temporary data (cookies, cache) in RAM and also on disk, but the primary temporary storage is RAM for active sessions.

This question belongs to: Computer Memory and Storage Devices