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Microprocessor

Microprocessor
Identify the non-maskable interrupt from the following

 RST 7.5
 RST 6.5
 RST 5.5
 RST 4.5

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

 4
 3
 6
 5

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Microprocessor
While INX B instruction execute,

 no flags will be affected
 only carry flag will be affected
 only carry and zero flags will be affected
 all flags will be affected

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Microprocessor
The execution of RST n instruction causes the stack pointer to

 decrement by two
 increment by two
 remain unaffected
None of these

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Microprocessor
A single instruction to clear the lower nibble of accumulator in 8085 language assembly is

 XRI 0FH
 ANI F0H
 ANI OFH
 XRI FOH

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Microprocessor
Let the content of register C be 00000000 before the instruction DCR C is executed. The content of register C after the after the execution of this instruction will be

 00000001
 11111111
 None
 00000000

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