What is the function of the 'read' operation in memory? MCQ with Answer and Explanation

What is the function of the 'read' operation in memory?
A. To retrieve data from a memory location
B. To clear a memory location
C. To store data to a memory location
D. To move data between registers
Answer: Option A
Solution (By JKSSB Mock Tests)
A read operation fetches data from a specified memory address and transfers it to the CPU or another component.

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Practice More Memory and Storage Devices Questions

Question #1
What does the term 'wear leveling' refer to in SSDs?
A. Evenly distributing write and erase cycles across memory blocks to extend lifespan
B. Reducing power consumption
C. Defragmenting the drive
D. Improving read speed

Correct Answer: Option A


Explanation:
Wear leveling is a technique used in flash memory storage to ensure that all memory blocks experience roughly equal write/erase cycles, preventing premature failure of heavily used blocks.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is an example of non-volatile memory?
A. SRAM
B. L2 Cache
C. ROM
D. DRAM

Correct Answer: Option C


Explanation:
ROM (Read-Only Memory) is non-volatile as it retains its data even when the device is completely powered off.

This question belongs to: Computer Memory and Storage Devices
Question #3
What technology allows a computer system to read data from multiple hard drives simultaneously to improve performance or provide fault tolerance?
A. DMA
B. RAID
C. SATA
D. NVMe

Correct Answer: Option B


Explanation:
RAID (Redundant Array of Independent Disks) is a data storage virtualization technology that combines multiple physical hard drive components into a single logical unit for redundancy or performance.

This question belongs to: Computer Memory and Storage Devices