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Microprocessor

Microprocessor
The number of output pins in 8085 microprocessors are

 27.
 40.
 21.
 19.

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

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

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Microprocessor
In 8085 name/names of the 16 bit registers is/are

 none of these.
 stack pointer.
 program counter.
 both A and B.

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Microprocessor
Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.[Hint: Construct the truth table for the adder and the multiplier]

Circuit A has the same number of gates as circuit B
None of these
Circuit B has more gates than circuit A
Circuit A has more gates than circuit B

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 01000000
 11000100
 00000100
 010001000

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Microprocessor
Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable.

NIBBLE
BYTE
WORD (16 bits)
DOUBLEWORD (32 bits)

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