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Microprocessor

Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

64 H
45 H
6 AFH
234

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 247
 246
 245
 244

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Microprocessor
Assertion(A): Address bus is unidirectional. Reason(R): Data bus is bidirectional

 A is false but R is true
 Both A & R are true but R is not the correct explanation of A
 Both A & R are true and R is the correct explanation of A
 A is true but R is false

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Microprocessor
S0 and S1 pins are used for

None of these
 serial communication
 acknowledging the interrupt
 indicating the processor’s status

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Microprocessor
For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2].

The same as
Greater than
Less than
Cannot be determined

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Microprocessor
How many segments are there in 8086?

 3.
 2.
 4.
 6.

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