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Q.

If the microcontroller is expected to communicate in a multiprocessor system, then the required condition is

A

SM0 is set

B

SM1 is set

C

SM2 is set

D

REN is set

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MCQ

1.

If SM0=1, SM1=0, then the transceiver selected is

A

8-bit synchronous

B

9-bit synchronous

C

8-bit asynchronous

D

9-bit asynchronous

Discussion

MCQ

2.

The serial communication is

A

cheaper communication

B

requires less number of conductors

C

slow process of communication

D

all of the mentioned

Discussion

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3.

The common unit shared by the receiver unit and transmission unit of serial communication unit is

A

SCON(Serial Port Control) Register

B

SBUF(Serial Buffer) register

C

8-bit serial data interface

D

All of the mentioned

Discussion

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4.

The transmission unit does not require assistance from processor if once a byte for transmission is written to

A

SCON register

B

SBUF register

C

SFR address

D

Any of the mentioned

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5.

The mode that offers the most secured parity enabled data communication at lower baud rates is

A

mode 2

B

mode 1

C

mode 0

D

all of the mentioned

Discussion

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