MPMC

MPMC

Professional Development

20 Qs

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Professional Development

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Rahul NA

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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following registers in the 8051 microcontroller is used to control the serial communication?

TCON

SBUFF

SMOD

SCON

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the size of the program counter in the 8051 microcontroller?

8 bits

It changes with the type of Program we write.

16 bits

32 bits

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the role of the TMOD register in the 8051 microcontroller?

It selects the clock source for timers.

  • It configures the mode and operation of Timer 0 and Timer 1.


  • It sets the clock frequency for the microcontroller.


It controls the interrupt enable flags for the timers.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How is the baud rate generated for serial communication in the 8051 microcontroller?

Using Timer 0 in Mode 1

Using Timer 1 in Mode 2

Using the SBUF register

Using the TCON register

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the maximum number of external interrupts supported by the standard 8051 microcontroller?


1

2

3

4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following statements best describes the function of the program counter (PC) in the 8051?

It holds the address of the next instruction to be executed.

It stores the address of the current instruction being executed.

It increments every time a data memory access occurs.

It is used to store intermediate data results.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which Flag helps in determining that an Interrupt (INT1) is Edge triggered?

IE1

IT1

EA

ET1

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