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Microprocessor

Microprocessor
Maximum number of I/O that can be addressed by the INTEL 8085 is

 285
 512
 65536
 256

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

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

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Microprocessor
I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct?

 1,2 & 4
 1,2 & 3
 1,3 &4
 2,3&4

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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

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

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

 Diplex
 Quadruplex
 Duplex
 Simplex

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Microprocessor
The microprocessor issues ALE during first T-state of

 fetch cycle only
 every machine cycle
 memory READ cycle only
 memory WRITE cycle only

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