Which of the following is not a type of RAM? MCQ with Answer and Explanation

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Which of the following is not a type of RAM?

A. DDR3

B. Flash

C. SDRAM

D. RDRAM

Answer: Option B

Solution (By JKSSB Mock Tests)

Flash memory is non-volatile storage, not a type of RAM. DDR3, SDRAM, and RDRAM are all types of RAM.

This question belongs to: Computer Memory and Storage Devices

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Question #1

Which interface is commonly used to connect SSDs to a motherboard?

A. SCSI

B. IDE

C. SATA

D. Parallel port

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Correct Answer: Option C

Explanation:
SATA (Serial ATA) is the most common interface for both HDDs and SSDs. NVMe over PCIe is also used for faster SSDs, but SATA is still widely used.

This question belongs to: Computer Memory and Storage Devices

Question #2

What type of storage is a computer's main memory (RAM) categorized as?

A. Primary Volatile Storage

B. Secondary Volatile Storage

C. Tertiary Non-volatile Storage

D. Primary Non-volatile Storage

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Correct Answer: Option A

Explanation:
RAM is directly accessible by the CPU (making it primary memory) and requires power to maintain data (making it volatile).

This question belongs to: Computer Memory and Storage Devices

Question #3

What is the typical capacity of a standard DVD+R disc?

A. 25 GB

B. 4.7 GB

C. 8.5 GB

D. 700 MB

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Correct Answer: Option B

Explanation:
DVD+R (single-layer) holds 4.7 GB, same as DVD-R.

This question belongs to: Computer Memory and Storage Devices

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