Which memory unit is equivalent to 1024 gigabytes? MCQ with Answer and Explanation

Which memory unit is equivalent to 1024 gigabytes?
A. 1 petabyte
B. 1 exabyte
C. 1 kibibyte
D. 1 terabyte
Answer: Option D
Solution (By JKSSB Mock Tests)
In binary, 1 terabyte (TB) = 1024 gigabytes (GB). However, in decimal context, 1 TB = 1000 GB. For exam purposes, 1024 GB is often considered 1 TB (though it's actually 1 TiB).

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Practice More Memory and Storage Devices Questions

Question #1
What is the primary function of the 'Sectors' found on a mechanical hard disk track layout?
A. To encrypt files automatically as they are processed.
B. To serve as the standardized addressable segments for holding a fixed number of data bytes.
C. To balance the weight distribution of the spinning platter.
D. To provide physical ventilation channels across the drive enclosure.

Correct Answer: Option B


Explanation:
Sectors are pie-shaped segments of concentric tracks that serve as the fundamental, fixed-size physical storage blocks on a hard drive platter.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which of the following is a type of memory that is directly connected to the CPU without a bus?
A. Hard disk
B. Cache
C. RAM
D. Registers

Correct Answer: Option D


Explanation:
Registers are internal to the CPU and are directly connected to the execution units, providing the fastest access. Cache is on-chip but may have a bus; RAM and HDD are external.

This question belongs to: Computer Memory and Storage Devices
Question #3
Which of the following is a type of memory that uses a grid of capacitors and transistors to store data?
A. EPROM
B. Flash
C. SRAM
D. DRAM

Correct Answer: Option D


Explanation:
DRAM uses a capacitor and a transistor per bit, arranged in a grid. SRAM uses flip-flops, and flash uses floating-gate transistors.

This question belongs to: Computer Memory and Storage Devices