Which hardware failure often causes 'blue screen' errors? MCQ with Answer and Explanation

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Which hardware failure often causes 'blue screen' errors?

A. Monitor cable

B. Damaged keyboard

C. Faulty RAM

D. Printer jam

Answer: Option C

Solution (By JKSSB Mock Tests)

Bad RAM is a common cause of system crashes.

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Question #1

OLED monitors are known for:

A. High power consumption

B. Excellent contrast and thin design

C. Low resolution

D. Being very expensive only for servers

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Correct Answer: Option B

Explanation:
OLED provides better blacks and thinner panels.

This question belongs to: Computer Computer Hardware

Question #2

What does refresh rate indicate in monitors?

A. Color depth

B. Power consumption

C. How many times screen is redrawn per second

D. Number of pixels

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Correct Answer: Option C

Explanation:
Measured in Hz, higher reduces flicker (e.g., 144Hz).

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Question #3

A device that reads magnetic stripes on cards is:

A. Barcode Scanner

B. Magnetic Stripe Reader

C. OCR Scanner

D. MICR Reader

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Correct Answer: Option B

Explanation:
Used in ATMs and POS terminals.

This question belongs to: Computer Computer Hardware

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