In a computer system, where is the BIOS (Basic Input/Output System) firmware permanently stored? MCQ with Answer and Explanation

In a computer system, where is the BIOS (Basic Input/Output System) firmware permanently stored?
A. Cache Memory
B. ROM Chip
C. Hard Disk Drive
D. RAM
Answer: Option B
Solution (By JKSSB Mock Tests)
The BIOS firmware is stored on a non-volatile ROM or flash memory chip on the motherboard to ensure it is always available during the boot process.

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Practice More Memory and Storage Devices Questions

Question #1
What is the purpose of a memory fence?
A. To reduce memory usage
B. To enforce memory ordering in concurrent programming
C. To increase memory speed
D. To separate memory regions for security

Correct Answer: Option B


Explanation:
A memory fence is a barrier instruction that ensures all preceding memory operations are completed before subsequent ones, maintaining consistency in multi-threaded environments.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the main difference between SRAM and DRAM?
A. SRAM is slower than DRAM
B. SRAM uses flip-flops; DRAM uses capacitors
C. SRAM needs refreshing; DRAM does not
D. SRAM is non-volatile; DRAM is volatile

Correct Answer: Option B


Explanation:
SRAM uses flip-flop circuits to store each bit, while DRAM uses a capacitor and a transistor. SRAM is faster and does not need refreshing, but is more expensive. Both are volatile.

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 data in a server?
A. ECC RAM
B. All of the above
C. DDR3
D. Non-ECC RAM

Correct Answer: Option B


Explanation:
Servers may use various types of RAM, but ECC RAM is common for reliability. Non-ECC and DDR3 are also used depending on the system.

This question belongs to: Computer Memory and Storage Devices