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Microprocessor

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

45 H
6 AFH
234
64 H

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 002CH
 003CH
 0043H
 0000H

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

 A is true but R is false
 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

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Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 not affected
 always reset
 always set
 affected indicating specific conditions

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 30
 13
 40
 27

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Microprocessor
How many bytes in a zero memory page should be reserved for vectors used by RST instructions?

 32.
 64.
 16.
 128.

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