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.
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31. What is the Maximum clock frequency in 8086?
5 Mhz is the Maximum clock frequency in 8086.
32. What are the various segment registers in 8086?
Code, Data, Stack, Extra Segment registers in 8086.
33. Which Stack is used in 8086?
FIFO (First In First Out) stack is used in 8086.In this type of Stack the first stored information is retrieved first.
34. What is SIM and RIM instructions?
SIM is Set Interrupt Mask. Used to mask the hardware interrupts. RIM is Read Interrupt Mask. Used to check whether the interrupt is Masked or not.
35. Which is the tool used to connect the user and the computer?
Interpreter is the tool used to connect the user and the tool.
36. What is the position of the Stack Pointer after the PUSH instruction?
The address line is 02 less than the earlier value.
37. What is the position of the Stack Pointer after the POP instruction?
The address line is 02 greater than the earlier value.
38. Logic calculations are done in which type of registers?
Accumulator is the register in which Arithmetic and Logic calculations are done.
39. What are the different functional units in 8086?
Bus Interface Unit and Execution unit, are the two different functional units in 8086.
40. Give examples for Micro controller?
Z80, Intel MSC51 &96, Motorola are the best examples of Microcontroller.