What is the function of the 'read' operation in memory? MCQ with Answer and Explanation

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What is the function of the 'read' operation in memory?

A. To retrieve data from a memory location

B. To clear a memory location

C. To move data between registers

D. To store data to a memory location

Answer: Option A

Solution (By JKSSB Mock Tests)

A read operation fetches data from a specified memory address and transfers it to the CPU or another component.

This question belongs to: Computer Memory and Storage Devices

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Practice More Memory and Storage Devices Questions

Question #1

Which of the following units is the largest in terms of data storage capacity?

A. Exabyte (EB)

B. Yottabyte (YB)

C. Terabyte (TB)

D. Petabyte (PB)

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Correct Answer: Option B

Explanation:
Among the options, Yottabyte (YB) is the largest. The order is Terabyte < Petabyte < Exabyte < Yottabyte.

This question belongs to: Computer Memory and Storage Devices

Question #2

Which of the following is a type of non-volatile memory that can be erased by exposing to ultraviolet light?

A. SRAM

B. EEPROM

C. EPROM

D. PROM

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Correct Answer: Option C

Explanation:
EPROM (Erasable Programmable ROM) can be erased by exposing it to strong ultraviolet light, and then reprogrammed. EEPROM is electrically erasable.

This question belongs to: Computer Memory and Storage Devices

Question #3

What is the typical storage capacity of a Blu-ray disc in GB?

A. 128 GB

B. 25 GB (single layer)

C. 4.7 GB

D. 700 MB

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Correct Answer: Option B

Explanation:
Single-layer Blu-ray holds 25 GB. Dual-layer 50 GB, triple 100 GB, quad 128 GB. The most common is 25 GB.

This question belongs to: Computer Memory and Storage Devices

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