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Microprocessor

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

 128.
 16.
 32.
 64.

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

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

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 12
 8
 20
 16

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Microprocessor
The control flags in 8086 are:

 the direction flag(DF).
 the Trap flag(TF).
 the interrupt flag(IF).
All of these

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Microprocessor
The instruction set of a microprocessor

 is specified by the manufacturers
 is stored inside the microprocessor
 is specified by the user
 cannot be changed by the user

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Microprocessor
Which one of the following circuits transmits two messages simultaneously in one direction

 Duplex
 Quadruplex
 Simplex
 Diplex

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