RFID tags are read using: MCQ with Answer and Explanation

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RFID tags are read using:

A. Radio frequency input devices

B. Magnetic readers

C. Thermal sensors

D. Optical scanners

Answer: Option A

Solution (By JKSSB Mock Tests)

Contactless identification.

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Question #1

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The expansion slot used for graphics cards is typically:

A. AGP

B. ISA

C. PCI

D. PCIe

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Correct Answer: Option D

Explanation:
PCIe (PCI Express) is the modern standard for graphics cards.

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Question #2

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Which port is used for high-speed data transfer in modern systems?

A. Parallel port

B. USB 3.0 or Thunderbolt

C. PS/2 port

D. Serial port

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Correct Answer: Option B

Explanation:
USB 3.x and Thunderbolt offer high speeds.

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Question #3

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The main cause of HDD failure is often:

A. High temperature only

B. Software error

C. Mechanical wear of moving parts

D. Low usage

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Correct Answer: Option C

Explanation:
SSDs avoid this.

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