Micro Processor Interview Questions & Answers

Showing 10 of 47 questions | Page 2

Technical interview questions and answers are essential for Micro Processor Interviews because companies want to evaluate your understanding of CPU architecture, instruction sets, registers, addressing modes, interrupts, and memory hierarchy. Microprocessor fundamentals are crucial for electronics, embedded systems, and computer engineering interviews. Companies like TCS, Infosys, Wipro, Cognizant, and Capgemini frequently include microprocessor questions in placement tests and technical rounds. This guide provides the most important Micro Processor interview questions with clear explanations to help freshers and engineering students strengthen their basics. Preparing these questions will boost your confidence during hardware-related interviews, lab-oriented assessments, and competitive exams.

Showing 10 of 47 questions

11. What are Hardware interrupts?

1. TRAP, RST7.5, RST6.5, RST5.5, INTR.

12. What are Software interrupts?

RST0, RST1, RST2, RST3, RST4, RST5, RST6, RST7.

13. Which interrupt has the highest priority?

TRAP has the highest priority.

14. Name 5 different addressing modes?

Immediate, Direct, Register, Register indirect, Implied addressing modes.

15. How many interrupts are there in 8085?

There are 12 interrupts in 8085.

16. What is clock frequency for 8085?

3 MHz is the maximum clock frequency for 8085.

17. What is the RST for the TRAP?

RST 4.5 is called as TRAP

18. In 8085 which is called as High order / Low order Register?

#NAME?

19. What are input & output devices?

Keyboards, Floppy disk are the examples of input devices. Printer, LED / LCD display, CRT Monitor are the examples of output devices.

20. Can an RC circuit be used as clock source for 8085?

Yes, it can be used, if an accurate clock frequency is not required. Also, the component cost is low compared to LC or Crystal.
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