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Microprocessor

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

 7
 16
 13
 10

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Microprocessor
The timing difference between a slow memory and fast processor can be resolved if

Neither A nor B
Processor is capable of waiting
Either A or B
External buffer is used

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Microprocessor
Temporary registers in 8085 are

 D and E.
 W and Z.
 H and L.
 B and C.

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

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 245
 244
 247
 246

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Microprocessor
In 8085 microprocessor which one of the following statement is wrong

 there is a pin available for serial output
 serial I/O is not possible
 serial I/O is possible through SIM and RIM instruction
 there is a pin available for serial input

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