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

Which memory unit is equivalent to 1024 gigabytes?
A. 1 terabyte
B. 1 exabyte
C. 1 petabyte
D. 1 kibibyte
Answer: Option A
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
Which operational characteristic distinguishes a 'Cold Boot' from a 'Warm Boot' regarding system memory?
A. A cold boot starts from a complete zero-power state, completely clearing all volatile memory contents.
B. A cold boot requires cooling the RAM modules manually with specialized fans.
C. A cold boot bypasses the execution of the BIOS firmware instructions completely.
D. A warm boot systematically reformats the secondary storage partitions.

Correct Answer: Option A


Explanation:
A cold boot involves turning on a computer from a powered-off state, initializing all hardware and starting with cleared volatile memory, whereas a warm boot simply restarts the OS without cutting hardware power.

This question belongs to: Computer Memory and Storage Devices
Question #2
What is the typical capacity of a DVD-ROM in bytes?
A. 17 GB
B. 4.7 GB
C. 25 GB
D. 8.5 GB

Correct Answer: Option B


Explanation:
Standard DVD-ROM holds 4.7 GB (single layer) or 8.5 GB (dual layer). But the most common is 4.7 GB.

This question belongs to: Computer Memory and Storage Devices
Question #3
How many bits are contained in a standard hexademical digit stored in computer memory?
A. 2 bits
B. 8 bits
C. 16 bits
D. 4 bits

Correct Answer: Option D


Explanation:
A single hexadecimal character represents values from 0 to 15, which maps to a 4-bit binary sequence (a nibble).

This question belongs to: Computer Memory and Storage Devices