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Microprocessor

Microprocessor
How many T-states are required for execution of OUT 80H instruction?

 7
 10
 16
 13

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Microprocessor
The data bus of any microprocessor is always

 Either unidirectional or bi-directional
 Unidirectional
 Bi-directional
 None

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

 0043H
 0000H
 002CH
 003CH

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Microprocessor
A microprocessor with a 12-bit address bus will be able to access

 1 K bytes
 8 K bytes
 4 K bytes
 10 K bytes

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Microprocessor
Which of the following instruction will never affect the zero flag?

 XRA R
 DCR R
 ORA R
 DCX Rp

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

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

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