“Microprocessor Interview Questions and Answers will guide you about the program-controlled device, which fetches the instructions from memory, decodes and executes the instructions. Most Micro Processor are single- chip devices here you will learn all the aspects of a Microprocessor and its research based interview questions and answers which will be help full for getting a better job.”
Program counter holds the address of either the first byte of the next instruction to be fetched for execution or the address of the next byte of a multi byte instruction, which has not been completely fetched. In both the cases it gets incremented automatically one by one as the instruction bytes get fetched. Also Program register keeps the address of the next instruction
LIFO (Last In First Out) stack is used in 8085.In this type of Stack the last stored information can be retrieved first
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.
The Micro Processor enters into Halt-State and the buses are tri-stated.
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