What technology allows a computer system to read data from multiple hard drives simultaneously to improve performance or provide fault tolerance? MCQ with Answer and Explanation

What technology allows a computer system to read data from multiple hard drives simultaneously to improve performance or provide fault tolerance?
A. RAID
B. NVMe
C. DMA
D. SATA
Answer: Option A
Solution (By JKSSB Mock Tests)
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.

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Practice More Memory and Storage Devices Questions

Question #1
What does the acronym SSD stand for?
A. Solid State Drive
B. Solid System Disk
C. Synchronous Storage Device
D. Serial Storage Drive

Correct Answer: Option A


Explanation:
SSD stands for Solid State Drive, a storage device using integrated circuit assemblies as memory to store data persistently.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a non-volatile memory that can be reprogrammed using electrical pulses?
A. PROM
B. Mask ROM
C. EPROM
D. EEPROM

Correct Answer: Option D


Explanation:
EEPROM is electrically erasable and reprogrammable, unlike EPROM which requires UV light. PROM is programmable once, and Mask ROM is fixed.

This question belongs to: Computer Memory and Storage Devices
Question #3
How many bits constitute a single Nibble?
A. 16 bits
B. 8 bits
C. 4 bits
D. 2 bits

Correct Answer: Option C


Explanation:
A nibble is exactly half of a byte, meaning it consists of 4 bits.

This question belongs to: Computer Memory and Storage Devices