What is the function of a memory scheduler? MCQ with Answer and Explanation

What is the function of a memory scheduler?
A. To reorder memory requests to maximize performance
B. To allocate memory to processes
C. To manage cache lines
D. To control page faults
Answer: Option A
Solution (By JKSSB Mock Tests)
A memory scheduler in a memory controller reorders incoming read/write requests to optimize bandwidth and reduce latency, improving overall performance.

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Practice More Memory and Storage Devices Questions

Question #1
Which of the following is a type of memory that is used for storing digital photos in a camera?
A. Hard disk
B. SD card
C. RAM
D. ROM

Correct Answer: Option B


Explanation:
Digital cameras typically use SD cards or other flash memory cards for photo storage.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which type of ROM requires a specialized hardware device called a 'ROM programmer' or 'burner' to write data onto it for the first time?
A. DRAM
B. SRAM
C. PROM
D. Mask ROM

Correct Answer: Option C


Explanation:
PROM (Programmable Read-Only Memory) chips are manufactured blank and require a dedicated hardware device called a PROM burner to permanently blow internal fuses, writing the data once.

This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a type of memory that can be written to and read from, but loses data when power is off?
A. RAM
B. Flash memory
C. EEPROM
D. ROM

Correct Answer: Option A


Explanation:
RAM is volatile; it can be read and written, but contents are lost when power is turned off. EEPROM, flash, and ROM are non-volatile.

This question belongs to: Computer Memory and Storage Devices