Which of the following is a type of memory that is used for storing data in a navigation system? MCQ with Answer and Explanation

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Which of the following is a type of memory that is used for storing data in a navigation system?

A. ROM

B. Flash memory

C. RAM

D. Hard disk

Answer: Option B

Solution (By JKSSB Mock Tests)

GPS navigation systems use flash memory for storing maps and firmware, with some using SSDs or HDDs.

This question belongs to: Computer Memory and Storage Devices

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Practice More Memory and Storage Devices Questions

Question #1

What is the typical speed of a DVD drive at 16x?

A. 16 MB/s

B. 48.5 MB/s

C. 21.12 MB/s

D. 22.16 MB/s

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Correct Answer: Option C

Explanation:
1x DVD is 1.32 MB/s, so 16x = 16 * 1.32 = 21.12 MB/s.

This question belongs to: Computer Memory and Storage Devices

Question #2

What is the approximate data transfer rate of a typical 7200 RPM hard disk drive?

A. 100-200 MB/s

B. 50-80 MB/s

C. 500-600 MB/s

D. 1-2 GB/s

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Correct Answer: Option A

Explanation:
Modern 7200 RPM HDDs typically have sustained transfer rates in the range of 100 to 200 MB/s, depending on density and technology. SSDs are much faster.

This question belongs to: Computer Memory and Storage Devices

Question #3

What is the role of the memory data register (MDR)?

A. To store the instruction to be executed

B. To hold the data being transferred to or from memory

C. To hold the memory address

D. To control the memory bus

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Correct Answer: Option B

Explanation:
The MDR holds the data that is read from or written to memory, acting as a buffer between memory and the CPU.

This question belongs to: Computer Memory and Storage Devices

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