Which memory unit corresponds exactly to 1024 Terabytes? MCQ with Answer and Explanation

Which memory unit corresponds exactly to 1024 Terabytes?
A. 1 Zettabyte
B. 1 Exabyte
C. 1 Gigabyte
D. 1 Petabyte
Answer: Option D
Solution (By JKSSB Mock Tests)
1 Petabyte (PB) is equivalent to 1024 Terabytes (TB) according to binary memory measurements.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Memory and Storage Devices Questions

Question #1
What is the memory cache 'miss' penalty?
A. The financial cost of manufacturing faster cache chips.
B. The extra time needed to fetch data from the slower main memory when it is not found in the cache.
C. The permanent loss of data due to system power fluctuations.
D. The reduction in processing speed when multiple applications compete for CPU space.

Correct Answer: Option B


Explanation:
When the CPU looks for data in the cache and fails to find it (a cache miss), it suffers a time delay penalty because it must fetch that data from the slower system RAM.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which component manages data transfers inside a computer system by implementing the 'Least Recently Used' (LRU) algorithm?
A. BIOS Boot Loader
B. Hard drive file allocation table
C. Cache Controller
D. Optical Drive Firmware

Correct Answer: Option C


Explanation:
The cache controller utilizes replacement policies like Least Recently Used (LRU) to determine which older data blocks to discard when space is needed for new cache lines.

This question belongs to: Computer Memory and Storage Devices
Question #3
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