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Microcontrollers Questions Set 30:

Quiz Mode

What will be the final value in the accumulator ?

MOV R1, #22H MOV A, #55H XCHD A, R1

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The 8255 is a ______ chip.

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Which memory is being reffered to here? MOVX A, @R1

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Based on the range of jumps, how many jumps instructions are therein the instruction set of 8051 microcontroller ?

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Which of the following 8051 assembly instructions will result in an error?

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The group of memory location set aside to hold the address of the ISR is called ?

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What are the applications of an SR latch?

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Which type of microcontrollers are widely used in a variety of applications?

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Which of the following statements about assembly-level language is/are true?

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The SCON register in the 8051 microcontroller has the data 00000010 then which of the following is true ?

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