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Microprocessor

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

log2 (m)
2^m
m
2*m

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Microprocessor
_____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts.

 DI
 EI
 RIM
 SIM

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Microprocessor
An 8-bit microprocessor signifies that

 8-bit address bus
 8-bit data bus
 8-interrupt lines
 8-bit controller

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Microprocessor
Using DeMorgan’s Theorem we can convert any AND-OR structure into

NAND-NAND
NAND-NOR
OR-NAND
NOR-NAND

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

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

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Microprocessor
The word size of 8085 microprocessor is

 8-bit
 4-bit
 16-bit
 20-bit

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