What is the typical speed of a Blu-ray drive at 6x? MCQ with Answer and Explanation

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What is the typical speed of a Blu-ray drive at 6x?

A. 33 MB/s

B. 216 MB/s

C. 72 MB/s

D. 27 MB/s

Answer: Option D

Solution (By JKSSB Mock Tests)

1x Blu-ray = 4.5 MB/s (36 Mbps). 6x = 6 * 4.5 = 27 MB/s.

This question belongs to: Computer Memory and Storage Devices

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Practice More Memory and Storage Devices Questions

Question #1

Which storage unit is exactly equal to 1024 Exabytes?

A. 1 Petabyte

B. 1 Yottabyte

C. 1 Zettabyte

D. 1 Terabyte

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Correct Answer: Option C

Explanation:
In binary data scaling progression, 1 Zettabyte (ZB) is composed of precisely 1024 Exabytes (EB).

This question belongs to: Computer Memory and Storage Devices

Question #2

What type of computer memory is specifically designed to detect and correct single-bit data corruption errors in critical enterprise server environments?

A. Dual-Channel RAM

B. Non-Volatile RAM

C. Static SRAM

D. ECC RAM

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Correct Answer: Option D

Explanation:
ECC (Error-Correcting Code) memory contains extra data bits that allow the memory subsystem to identify and fix single-bit memory errors on the fly, preventing system crashes.

This question belongs to: Computer Memory and Storage Devices

Question #3

How many bits constitute a single Nibble?

A. 16 bits

B. 4 bits

C. 2 bits

D. 8 bits

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Correct Answer: Option B

Explanation:
A nibble is exactly half of a byte, meaning it consists of 4 bits.

This question belongs to: Computer Memory and Storage Devices

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