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Microprocessor

Microprocessor
In 8086 the number of bytes which can be addressed directly is about

one million
10000
100000
1000

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

 002CH
 003CH
 0000H
 0043H

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Microprocessor
Which of the data transfer is not possible in microprocessor

 accumulator to memory
 memory to memory
 I/O device to accumulator
 memory to accumulator

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Microprocessor
Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions?

 D-E.
 Program Counter.
 H-L.
 Stack Pointer.

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Microprocessor
In an intel 8085A, which is the first machine cycle of an instruction?

 An op-code fetch cycle
 A memory read cycle
 An I/O read cycle
 A memory write cycle

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Microprocessor
We say that a set of gates is logically complete if we can build any circuit without using any other kind of gates. Which of the following sets are logically complete

Set of {EXOR, NOT}
Set of {AND,OR,NOT}
None of these
Set of {AND,OR}

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