Microcontroller Quiz

Microcontroller Quiz

Professional Development

60 Qs

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Microcontroller Quiz

Microcontroller Quiz

Assessment

Quiz

Education

Professional Development

Easy

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Nagalakshmi Akshaya

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60 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many ports are there in 8051?

2

4

6

8

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the size of the accumulator in 8051?

8 bits

16 bits

32 bits

64 bits

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pins are used as the data bus in 8051?

P0.0-P0.7

P1.0-P1.7

P2.0-P2.7

P3.0-P3.7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pin is used as the transmit data in 8051?

TXD

RXD

P3.0

P3.1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the ALU in 8051?

To perform arithmetic operations

To perform logical operations

To perform both arithmetic and logical operations

To store data

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which logical operation can be performed by the ALU in 8051 using the ANL instruction?

AND

OR

XOR

NOT

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the carry flag (CY) in the ALU of 8051?

To store the result of an arithmetic operation

To store the result of a logical operation

To indicate a carry or borrow in an arithmetic operation

To indicate an overflow in an arithmetic operation

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