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Microprocessor

Microprocessor
Which of the following is a valid integer constant?

127
127
127
125 + 3

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

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

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Microprocessor
While STC instruction executes,

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

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

 6
 4
 5
 3

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Microprocessor
A real number consists of

Integer part, fraction part along with positive or negative sign
None of these
Integer part and fraction part
Integer part

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Microprocessor
Which one of the following microprocessor is not an 8-bit microprocessor

 8085
 Z-80
 68000
 6502

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