Which printer technology uses electrostatic charges to print? MCQ with Answer and Explanation

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Which printer technology uses electrostatic charges to print?

A. Laser Printer

B. Thermal Printer

C. Inkjet Printer

D. Dot Matrix Printer

Answer: Option A

Solution (By JKSSB Mock Tests)

Laser printers use laser and electrostatic principles.

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The L3 cache is usually:

A. Non-existent

B. Shared among cores

C. External

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Correct Answer: Option B

Explanation:
Larger shared cache.

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Question #2

Which technology allows printers to connect via mobile apps?

A. USB only

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Correct Answer: Option B

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Modern convenience.

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The viewing angle specification is most important for:

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Correct Answer: Option A

Explanation:
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