Which hardware component uses quantum tunneling in some advanced versions? MCQ with Answer and Explanation

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Which hardware component uses quantum tunneling in some advanced versions?

A. Flash memory cells

B. Printer nozzles

C. CPU transistors traditionally

D. Monitor pixels

Answer: Option A

Solution (By JKSSB Mock Tests)

In NAND flash.

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Question #1

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Piezoelectric technology is used in some:

A. Keyboards

B. Inkjet printers

C. Monitors

D. Laser printers

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Correct Answer: Option B

Explanation:
For precise ink droplet control.

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Question #2

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The process of converting analog to digital in scanners is done by:

A. ADC

B. DAC

C. CU

D. ALU

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Correct Answer: Option A

Explanation:
Analog to Digital Converter digitizes scanned data.

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Question #3

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What is the role of Northbridge chipset?

A. Audio processing

B. Connects CPU to RAM and graphics

C. Handles slow peripherals

D. Manages power supply

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Correct Answer: Option B

Explanation:
Northbridge handles high-speed components.

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