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Microprocessor

Microprocessor
How many machine cycles are required for execution of IN 30H instruction

 4
 5
 3
 6

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Microprocessor
The stack pointer

 resides in microprocessor
 resides in RAM
 resides in ROM
 may be in RAM or ROM

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 20
 12
 16
 8

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Microprocessor
In microprocessor based system DMA refers to

None of these
 direct memory access for the user
 direct memory access for microprocessor
 direct memory access for the I/O device

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Microprocessor
The word size of 8085 microprocessor is

 8-bit
 4-bit
 16-bit
 20-bit

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

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