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Q.

........... is the required baud rate for an efficient operation of serial port devices in 8051 microcontroller?

A

1200

B

4800

C

9600

D

2400

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MCQ

3.

What is true about microcontroller?

A

A microcontroller is a small and low-cost microcomputer

B

It is designed to perform the specific tasks of embedded systems

C

microcontroller consists of the processor, the memory, Serial ports, peripherals.

D

All of the above

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MCQ

4.

Which register is used to store the output generated by ALU?

A

Special Function Register

B

Timer Register

C

Accumulator

D

Stack Pointer

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5.

Which of the following pin of the LCD is used for adjusting its contrast?

A

pin no 3

B

pin no 1

C

pin no 3

D

pin no 2

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