What is the purpose of a memory patch? MCQ with Answer and Explanation

Question
What is the purpose of a memory patch?
A. To modify memory contents temporarily
B. To increase memory speed
C. To physically repair memory
D. To add more memory
Answer: Option A
Solution (By JKSSB Mock Tests)
A memory patch is a modification to the contents of memory, often for debugging or updating code in real-time.
This question belongs to: Computer Memory and Storage Devices
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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 in enterprise environments for high reliability?
A. DDR3
B. Non-ECC RAM
C. ECC RAM
D. SDRAM
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Correct Answer: Option C

Explanation:
ECC RAM includes error correction capabilities, improving system stability and data integrity, making it suitable for servers and mission-critical applications.
This question belongs to: Computer Memory and Storage Devices
Question #2
What is the name of the high-speed data transfer mechanism that allows specific hardware subsystems to access main system memory independently of the central processing unit?
A. Interrupt Request (IRQ)
B. Direct Memory Access (DMA)
C. Paging Protocol
D. Bus Mastering
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Correct Answer: Option B

Explanation:
DMA (Direct Memory Access) allows peripherals like network cards or graphics adapters to read/write directly to system RAM without routing the data through the CPU, reducing processor overhead.
This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a type of memory that is used to store intermediate results during processing?
A. Cache
B. RAM
C. Hard disk
D. Registers
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Correct Answer: Option D

Explanation:
Registers store operands and intermediate results during arithmetic and logic operations within the CPU.
This question belongs to: Computer Memory and Storage Devices
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