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Microcontrollers Questions Set 11:

Quiz Mode

How many machine cycles are wasted in the NOP instruction of the 8051 microcontroller?

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How many clocks will be used in asynchronous transmission of signals in 8051 microcontroller ?

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What category do all conditional jumps fall under?

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Which instructions is for returning from a subroutine in a 8051 microcontroller ?

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A given memory chip has 12 address pins and 4 data pins. What is the organization?

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If A = 0011 0110, what will be the status of A after the execution of 'RR A'?

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What is the status of the CY (carry) and P (parity) flags after adding 38H to 2FH?

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In the 8051 microcontroller, if the TCON register value is 1000 0010, then the operating voltage is reduced by _____ volts.

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In the operation of Adding 02H and 5BH what will be the status of carry and parity flags?

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Given the following assembly code:

MOV A, #62H

SUBB A, #96H

What is the value in register A and the Carry flag (CY)?

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