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Microprocessor

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

 RST 5.5
 RST 7
 TRAP
 INTR

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Microprocessor
In order to complement the lower nibble of accumulator one can use

 ORI 0FH
 CMA
 ANI 0FH
 XRI 0FH

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Microprocessor
The operating modes of 8255 A are called

Mode 0, mode 2 and mode 3
Mode 0, mode 1 and mode 2
Mode 0 and mode 1
Mode 0 and mode 2

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 transferred to address bus.
 incremented by one.
 transferred to memory data register.
 transferred to memory address register .

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Microprocessor
What is mean by ALU

 Arithmetic logic unit
 Arithmetic local unsigned
 Arithmetic logic unsigned
 Arithmetic logic upgrade

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

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

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