NFC is a short-range: MCQ with Answer and Explanation

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NFC is a short-range:

A. Printing tech

B. Display tech

C. Storage

D. Input/communication technology

Answer: Option D

Solution (By JKSSB Mock Tests)

For contactless payments etc.

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Question #1

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A common feature in modern mice is:

A. Adjustable DPI and programmable buttons

B. No scroll wheel

C. Wired only

D. Fixed speed only

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Correct Answer: Option A

Explanation:
Customization for users.

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Question #2

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L1, L2, L3 refer to levels of:

A. Hard disk partitions

B. Monitor sizes

C. Cache memory

D. RAM modules

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Correct Answer: Option C

Explanation:
Multi-level cache in modern CPUs.

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Question #3

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What does 'bus width' determine?

A. Clock speed

B. Storage capacity

C. Display resolution

D. Amount of data transferred simultaneously

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Correct Answer: Option D

Explanation:
E.g., 64-bit data bus.

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