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MCQ

Q.

Point out the correct statement about about DAC0808?

A

It has current as an output

B

Parallel digital data to analog data conversion

C

Both A & B

D

None of the above

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MCQ

1.

Register that is used to holds the memory address of the next instruction to be executed is

A

Program Memory

B

Program Counter

C

Control Unit

D

Instruction decoder

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2.

Which instructions affect the program counter?

A

Call & Return

B

Call & Jump

C

Push & Pop

D

Return & Jump

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3.

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

A

Pop

B

Push

C

Return

D

None of above

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4.

Which of the following commands are used for addressing the off-chip data and associated codes respectively by data pointer?

A

MOVC & MOVY

B

MOVY & MOVB

C

MOVZ & MOVA

D

MOVX & MOVC

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5.

8051 microcontroller is designed by Intel in?

A

1980

B

1981

C

1982

D

1983

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