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 handle networking
B. To manage the power supply
C. To control the memory interface
D. To process graphics
Answer: Option C
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
Which of the following is a type of memory that is directly accessible by the CPU without address translation?
A. Physical memory
B. Cache memory
C. Virtual memory
D. Registers

Correct Answer: Option D


Explanation:
Registers are directly accessible by the CPU's execution units; they are part of the CPU. Physical memory (RAM) is accessed via addresses, and virtual memory requires translation.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a type of RAM that uses a clock signal to synchronize its operations?
A. SRAM
B. FPM DRAM
C. SDRAM
D. DRAM

Correct Answer: Option C


Explanation:
SDRAM (Synchronous DRAM) synchronizes with the system clock, allowing it to accept commands on every clock cycle, improving performance over asynchronous DRAM.

This question belongs to: Computer Memory and Storage Devices
Question #3
What is the purpose of a memory address space?
A. To control I/O devices
B. To manage cache
C. To define the range of addresses available for memory
D. To store actual data

Correct Answer: Option C


Explanation:
The memory address space is the set of all possible memory addresses that the CPU can generate, limiting the maximum amount of memory that can be addressed.

This question belongs to: Computer Memory and Storage Devices