Microprocessor Interview Preparation Guide
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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.

24 Microprocessor Questions and Answers:

1 :: What is a Microprocessor?

Microprocessor is a program-controlled device, which fetches the instructions from memory, decodes and executes the instructions. Most Micro Processor are single- chip devices.
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2 :: What are the flags in 8086?

In 8086 Carry flag, Parity flag, Auxiliary carry flag, Zero flag, Overflow flag, Trace flag, Interrupt flag, Direction flag, and Sign flag.
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3 :: Why crystal is a preferred clock source?

Because of high stability, large Q (Quality Factor) & the frequency that doesn’t drift with aging. Crystal is used as a clock source most of the times.
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4 :: In 8085 which is called as High order / Low order Register?

Flag is called as Low order register & Accumulator is called as High order Register.
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5 :: What is Tri-state logic?

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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