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

What is the function of a memory overclocking?
A. To run memory at higher speeds than rated
B. To improve error correction
C. To increase memory capacity
D. To reduce voltage
Answer: Option A
Solution (By JKSSB Mock Tests)
Overclocking memory involves running it at a higher clock speed than its default, to gain performance, but may require higher voltage and cooling.

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Practice More Memory and Storage Devices Questions

Question #1
Which of the following is a characteristic of static RAM (SRAM)?
A. Requires periodic refresh
B. Fast and expensive
C. High density and low cost
D. Used as main memory in PCs

Correct Answer: Option B


Explanation:
SRAM is fast and expensive compared to DRAM. It does not require refreshing and is used for cache memory. DRAM is used as main memory and is dense and cheaper.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the typical speed of a 5400 RPM hard disk in terms of data transfer?
A. About 50 MB/s
B. About 10 MB/s
C. About 200 MB/s
D. About 100 MB/s (sustained)

Correct Answer: Option A


Explanation:
5400 RPM HDDs typically have sustained transfer rates around 50-100 MB/s, but 5400 RPM drives are slower than 7200 RPM, often around 50-80 MB/s. However, modern drives may reach 100+ MB/s. For exam, 50-100 MB/s is typical.

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 the bootloader?
A. Hard disk
B. ROM
C. RAM
D. Cache

Correct Answer: Option B


Explanation:
The bootloader (initial boot code) is typically stored in ROM (BIOS) or flash memory, from which the system loads the OS from disk.

This question belongs to: Computer Memory and Storage Devices