What is the role of the BIOS (Basic Input/Output System) in relation to memory? MCQ with Answer and Explanation

Question
What is the role of the BIOS (Basic Input/Output System) in relation to memory?
A. It controls cache memory
B. It manages the RAM allocation
C. It provides virtual memory
D. It initializes and tests hardware components during boot
Answer: Option D
Solution (By JKSSB Mock Tests)
BIOS firmware, typically stored in ROM, performs hardware initialization (including memory testing) and loads the boot loader to start the operating system.
This question belongs to: Computer Memory and Storage Devices
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Practice More Memory and Storage Devices Questions

Question #1
What is the typical capacity of a standard dual-layer Blu-ray disc?
A. 128 GB
B. 100 GB
C. 50 GB
D. 25 GB
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Correct Answer: Option C

Explanation:
Dual-layer Blu-ray (BD-50) holds 50 GB. Triple-layer (BD-100) holds 100 GB. Quad-layer (BD-128) holds 128 GB, but standard dual-layer is 50 GB.
This question belongs to: Computer Memory and Storage Devices
Question #2
What is the typical write speed of a DVD-R disc?
A. 11.08 MB/s (1x)
B. 36 MB/s (1x)
C. 1.32 MB/s (1x)
D. 4.5 MB/s (1x)
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Correct Answer: Option C

Explanation:
1x DVD data rate is 11.08 Mbit/s = 1.32 MB/s. So write speed at 1x is 1.32 MB/s. Higher multipliers increase speed.
This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a type of memory that is used in networking devices?
A. SRAM
B. Flash
C. DRAM
D. All of the above
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Correct Answer: Option D

Explanation:
Networking devices use various memory types: DRAM for packet buffers, SRAM for routing tables, and Flash for firmware storage.
This question belongs to: Computer Memory and Storage Devices
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