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Q.

In timer mode, the oscillator clock is divided by a prescalar

A

(1/8)

B

(1/4)

C

(1/16)

D

(1/32)

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MCQ

1.

The timer generates an interrupt, if the count value reaches to

A

00FFH

B

FF00H

C

0FFFH

D

FFFFH

Discussion

MCQ

2.

Among the five interrupts generated by 8051, the highest priority is given to the interrupt

A

IE0

B

TF1

C

TF0

D

IE1

Discussion

MCQ

3.

In timer mode, the oscillator clock is divided by a prescalar

A

(1/8)

B

(1/4)

C

(1/16)

D

(1/32)

Discussion

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4.

The number of bytes stored on the stack during one operation of PUSH or POP is

A

1

B

2

C

3

D

4

Discussion

MCQ

5.

The step involved in PUSH operation is

A

increment stack by 2 and store 8-bit content to address pointed to by SP

B

decrement stack by 1 and store 16-bit content to address pointed to by SP

C

increment stack by 1 and store 8-bit content to address pointed to by SP

D

store 8-bit content to address pointed to by SP and then increment stack by 1

Discussion

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