Microprocessor Question:

What is Tri-state logic?

Microprocessor Interview Question
Microprocessor Interview Question

Answer:

Three Logic Levels are used and they are High, Low, High impedance state. The high and low are normal logic levels & high impedance state is electrical open circuit conditions. Tri-state logic has a third line called enable line.


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In 8085 which is called as High order / Low order Register?What happens when HLT instruction is executed in processor?