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MCQ

Q.

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

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.doc

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.c

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.txt

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A microcontroller is a small and low-cost microcomputer

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It is designed to perform the specific tasks of embedded systems

C

microcontroller consists of the processor, the memory, Serial ports, peripherals.

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D

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The 8051 microprocessor has ________ parallel I/O ports.

A

2

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