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Microprocessor

Microprocessor
Which of the following is type declaration statement in C?

prin = prin * prin
king = horse + 1
int bar
s = s + 1

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

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

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

 Quadruplex
 Diplex
 Duplex
 Simplex

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Microprocessor
________is the only non-vectored interrupt in 8085 microprocessor.

 TRAP
 RST 5.5
 RST 7
 INTR

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Microprocessor
After RESET 8255 will be in

 mode 0; all ports are input
 unchanged condition
 mode 2
 mode 0; all ports are output

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Microprocessor
The processor status word of 8085 microprocessor has five flags namely:

 S, Z, AC, P, OV
 S, Z, OV, P, CY
 S, OV, AC, P, CY
 S, Z, AC, P, CY

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