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MCQ

Q.

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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Similar Questions

MCQ

1.

At what PIN number, there is a RESET pin, which is used to reset the microcontroller to its initial values?

A

PIN 9

B

PIN 20

C

PIN 30

D

PIN 35

Discussion

MCQ

2.

What kind of instructions usually affect the program counter?

A

Push & Pop

B

Call & Jump

C

Call & Return

D

Return & Jump

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3.

The 8051 microprocessor has ________ parallel I/O ports.

A

2

B

3

C

4

D

5

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4.

Which IO Port can be used for higher address byte with addresses A8-A15?

A

PORT1

B

PORT0

C

PORT3

D

PORT2

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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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