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Q.

The PCON register consists of

A

power mode bit

B

power idle bit

C

power ideal bit

D

power down bit and idle bit

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MCQ

1.

In idle mode, the device that is disabled is

A

serial port

B

timer block

C

clock to CPU

D

all of the mentioned

Discussion

MCQ

2.

Which of the following is an 8-bit register?

A

PSW(Program Status Word)

B

TCON(Timer Control Register)

C

Accumulator

D

All of the mentioned

Discussion

MCQ

3.

The higher and lower bytes of a 16-bit register DPTR are represented respectively as

A

LDPTR and HDPTR

B

DPTRL and DPTRH

C

DPH and DPL

D

HDP and LDP

Discussion

MCQ

4.

The idle mode can be terminated by

A

PRESET

B

CLEAR

C

Interrupt

D

Interrupt or reset

Discussion

MCQ

5.

Which of the following is an 8-bit register?

A

PSW(Program Status Word)

B

TCON(Timer Control Register)

C

Accumulator

D

All of the mentioned

Discussion

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