What does the term 'random access' mean in memory? MCQ with Answer and Explanation

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What does the term 'random access' mean in memory?

A. Data can be accessed in any order with the same access time

B. Data can only be accessed sequentially

C. Access time depends on the data location

D. Data is accessed randomly without addressing

Answer: Option A

Solution (By JKSSB Mock Tests)

Random access memory (RAM) allows any memory location to be accessed directly in roughly the same amount of time, regardless of its physical location.

This question belongs to: Computer Memory and Storage Devices

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Question #1

What is the purpose of a memory's refresh cycle?

A. To synchronize with the CPU

B. To clear memory contents

C. To increase memory speed

D. To restore charge in DRAM capacitors

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Correct Answer: Option D

Explanation:
DRAM requires periodic refreshing to restore the charge in its capacitors, preventing data loss due to leakage.

This question belongs to: Computer Memory and Storage Devices

Question #2

What does the acronym SSD stand for?

A. Serial Storage Drive

B. Solid State Drive

C. Synchronous Storage Device

D. Solid System Disk

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Correct Answer: Option B

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 #3

Which memory unit corresponds exactly to 1024 Terabytes?

A. 1 Petabyte

B. 1 Zettabyte

C. 1 Exabyte

D. 1 Gigabyte

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Correct Answer: Option A

Explanation:
1 Petabyte (PB) is equivalent to 1024 Terabytes (TB) according to binary memory measurements.

This question belongs to: Computer Memory and Storage Devices

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