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Microcontrollers Questions Set 34:

Quiz Mode

The number of priority levels that each interrupt of the 8051 microcontroller has is:

Solution:

Which type of programmable ROM is also called 'burning ROM'?

PROM

EPROM

EROM

None of the above

Solution:

Find the erroneous mnemonic among the following.

MOV A, #5H

MOV A, 23H

MOV A, #0FH

MOV A, #7F2H

Solution:

Which one of the following is an asynchronous communication channel?

a) MUDs

b) SPI

c) MOO

d) VoIP

Solution:

What is the period of the machine cycle for the 8051 microcontroller?

11.5 μs

1.085 μs

0.904 μs

1/11.059 μs

Solution:

Find the control word for PA = out, PB = in, PCL = out, PCH = out (Mode0) in 8225 microcontroller?

0x02H

0x82H

0x83H

0x03H

Solution:

The registers that are not directly accessible to the user are?

Accumulator and B register

IP and IE

Instruction registers

TMP1 and TMP2

Solution:

The SCON register in the 8051 microcontroller has the first 2 bits high from the right side, then predict the mode of the microcontroller's serial communication.

mode 0

mode 1

mode 2

mode 3

Solution:

What is the purpose of the 'ORG' statement in 8051 programming?

It is used to reset the device

All of the above

To remove all the garbage values

To specify the starting address in memory for the first instruction of the program

Solution:

what will be the final value in the accumulator?

MOV A, #05H; CPL A;

05H

FFH

FAH

00H

Microcontrollers Questions Set 34:

The number of priority levels that each interrupt of the 8051 microcontroller has is:

Solution:

Which type of programmable ROM is also called 'burning ROM'?

Solution:

Find the erroneous mnemonic among the following.

Solution:

Which one of the following is an asynchronous communication channel?

Solution:

What is the period of the machine cycle for the 8051 microcontroller?

Solution:

Find the control word for PA = out, PB = in, PCL = out, PCH = out (Mode0) in 8225 microcontroller?

Solution:

The registers that are not directly accessible to the user are?

Solution:

The SCON register in the 8051 microcontroller has the first 2 bits high from the right side, then predict the mode of the microcontroller's serial communication.

Solution:

What is the purpose of the 'ORG' statement in 8051 programming?

Solution:

what will be the final value in the accumulator?

MOV A, #05H; CPL A;

Solution:

Related Question Sets:

Related Topics:

Microcontrollers Questions Set 34:

The number of priority levels that each interrupt of the 8051 microcontroller has is:

Solution:

Which type of programmable ROM is also called 'burning ROM'?

Solution:

Find the erroneous mnemonic among the following.

Solution:

Which one of the following is an asynchronous communication channel?

Solution:

What is the period of the machine cycle for the 8051 microcontroller?

Solution:

Find the control word for PA = out, PB = in, PCL = out, PCH = out (Mode0) in 8225 microcontroller?

Solution:

The registers that are not directly accessible to the user are?

Solution:

The SCON register in the 8051 microcontroller has the first 2 bits high from the right side, then predict the mode of the microcontroller's serial communication.

Solution:

What is the purpose of the 'ORG' statement in 8051 programming?

Solution:

what will be the final value in the accumulator?MOV A, #05H; CPL A;

Solution:

Related Question Sets:

Related Topics:

what will be the final value in the accumulator?

MOV A, #05H; CPL A;