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Q.

This type of microcontroller is designed in such a way that they do not have a program memory on the chip.

A

External memory microcontroller

B

Embedded memory microcontroller

C

CISC

D

RISC

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MCQ

1.

The 8051 microprocessor has ________ parallel I/O ports.

A

2

B

3

C

4

D

5

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MCQ

2.

What is the file extension is used to load in a microcontroller to execute an instruction?

A

.doc

B

.c

C

.txt

D

.hex

Discussion

MCQ

3.

Which of the following is the function of the SCON register?

A

control SMOD registers

B

control SBUF and SMOD registers

C

program the start bit, stop bit, and data bits of framing

D

None of the above

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MCQ

4.

Which of the following is the default value of stack once after the system undergoes the reset condition?

A

08H

B

09H

C

00H

D

07H

Discussion

MCQ

5.

Which operations are performed by stack pointer during its incremental phase?

A

Pop

B

Push

C

Return

D

None of above

Discussion

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