What does the term 'wear leveling' refer to in SSDs? MCQ with Answer and Explanation

What does the term 'wear leveling' refer to in SSDs?
A. Reducing power consumption
B. Defragmenting the drive
C. Evenly distributing write and erase cycles across memory blocks to extend lifespan
D. Improving read speed
Answer: Option C
Solution (By JKSSB Mock Tests)
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.

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Practice More Memory and Storage Devices Questions

Question #1
Which storage device category requires continuous physical rotation of a platter medium to retrieve saved digital blocks?
A. NVMe M.2 Card
B. SDHC Card
C. Hard Disk Drive (HDD)
D. USB Flash Drive

Correct Answer: Option C


Explanation:
Traditional mechanical HDDs use an electric spindle motor to rotate magnetic platters past stationary read/write heads to locate data.

This question belongs to: Computer Memory and Storage Devices
Question #2
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

Correct Answer: Option D


Explanation:
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
Question #3
What type of computer memory is specifically designed to detect and correct single-bit data corruption errors in critical enterprise server environments?
A. Static SRAM
B. ECC RAM
C. Non-Volatile RAM
D. Dual-Channel RAM

Correct Answer: Option B


Explanation:
ECC (Error-Correcting Code) memory contains extra data bits that allow the memory subsystem to identify and fix single-bit memory errors on the fly, preventing system crashes.

This question belongs to: Computer Memory and Storage Devices