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Microprocessor

Microprocessor
The number of output pins in 8085 microprocessors are

 27.
 40.
 19.
 21.

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Microprocessor
When the write enable input is not asserted, the gated D latch _________ its output.

Complements
Sets
Clears
Can not change

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

 decrement by two
 remain unaffected
None of these
 increment by two

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

 3
 5
 6
 4

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the stack pointer
 the sequence in which memory contents are fetched by it
 its internal registers
 the program counter

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Microprocessor
The processor status word of 8085 microprocessor has five flags namely:

 S, Z, AC, P, OV
 S, Z, AC, P, CY
 S, OV, AC, P, CY
 S, Z, OV, P, CY

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