The control unit in CPU directs: MCQ with Answer and Explanation

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The control unit in CPU directs:

A. Flow of data and instructions

B. Display output

C. Memory storage

D. Arithmetic operations

Answer: Option A

Solution (By JKSSB Mock Tests)

CU coordinates the operations of the processor.

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A daisy chain connection is used for:

A. Scanning

B. Printing only

C. Keyboard input

D. Connecting multiple devices in series like Thunderbolt

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Correct Answer: Option D

Explanation:
Efficient cabling.

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Question #2

4K resolution is approximately:

A. 3840x2160

B. 1280x720

C. 2560x1440

D. 1920x1080

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Correct Answer: Option A

Explanation:
4K UHD is 3840 × 2160 pixels.

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Question #3

The main circuit board in laptops is called:

A. System board

B. Daughterboard

C. All are same

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Correct Answer: Option C

Explanation:
Laptop motherboards are also called system boards.

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