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Microprocessor

Microprocessor
CALL instruction is a ______ instruction.

 4 bytes
 1 bytes
 3 bytes
 2 bytes

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Microprocessor
Which of the following pair of gates can form a latch?

A pair of cross coupled NAND
A cross coupled NAND/OR
A pair of cross coupled OR
A pair of cross copled AND

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Microprocessor
If m is a power of 2, the number of select lines required for an m-input mux is:

m
2*m
log2 (m)
2^m

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Microprocessor
Which one of the following microprocessor has 16-bit data bus?

 68000
 8085
 6502
 Z-80

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

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

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

 5
 6
 4
 3

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