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Microprocessor

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

 Simplex
 Duplex
 Quadruplex
 Diplex

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

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

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Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RRC
 RAL
 RAR
 RLC

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

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

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Microprocessor
The clock speed of 8085 is

 3.2MHz.
 1MHz.
 3.2KHz.
 1KHz.

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Microprocessor
In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

 Both ‘b’ and ‘c’
 Bus Interface Unit (BIU)
 Execution Unit (EU)
 None of these

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