How many nibbles are contained inside a data packet size of exactly 16 bits? MCQ with Answer and Explanation

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How many nibbles are contained inside a data packet size of exactly 16 bits?

A. 2 nibbles

B. 8 nibbles

C. 16 nibbles

D. 4 nibbles

Answer: Option D

Solution (By JKSSB Mock Tests)

Since 1 nibble is equal to 4 bits, a 16-bit data segment contains exactly $16 / 4 = 4$ nibbles.

This question belongs to: Computer Memory and Storage Devices

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Which of the following actions will cause data stored within an EEPROM chip to be erased?

A. Submerging the motherboard traces into a grounding solution.

B. Shutting down the central computer system power switch.

C. Exposing the chip face to high-intensity ultraviolet light rays.

D. Applying a designated electrical voltage signal to the chip control pins.

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Correct Answer: Option D

Explanation:
EEPROM stands for Electrically Erasable Programmable Read-Only Memory. It is erased and rewritten digitally by applying specific electrical currents to its pins.

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Question #2

What is the role of a memory controller hub (MCH)?

A. To control the hard disk

B. To connect the CPU to I/O devices

C. To manage power delivery

D. To connect the CPU to graphics and memory

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Correct Answer: Option D

Explanation:
The Memory Controller Hub (Northbridge) traditionally connects the CPU to memory and high-speed graphics. In modern CPUs, the memory controller is integrated.

This question belongs to: Computer Memory and Storage Devices

Question #3

Which of the following storage devices has the fastest data access time?

A. Hard disk

B. Solid-state drive (SSD)

C. Magnetic tape

D. DVD-ROM

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Correct Answer: Option B

Explanation:
SSDs have much lower access times than HDDs and optical discs because they have no moving parts and use flash memory. Magnetic tape is slower for random access.

This question belongs to: Computer Memory and Storage Devices

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