20 microprocessor interview questions and answers

1. Describe briefly any three types of transmissions. - Intel Microprocessor 2.Briefly explain the 8279 operation. - Intel Microprocessor 3.Briefly mention the differences between VGA and CGA graphics. - Intel Microprocessor 4.Describe briefly the external and internal bus of the 8088 processor. 5.Explain briefly the characteristics of the program invisible registers. - Intel Microprocessor 6.Explain briefly the role of the 8284 processor? 7.What do you understand by VESA local bus? Mention the cons of using it? - Intel Microprocessor 8.Mention a few facts and properties of ENIAC? - Intel Microprocessor 9.How can a Microprocessor based computer system be developed? 10.Explain in Pentium processors how memory management has been improved? 11.What do you understand by MACRO? Explain the various conditional constructs used while programming a macro? - Intel Microprocessor 12.Explain CWD, LOOP, IMUL, SAR - Intel Microprocessor 13.Explain segments their pro`s and a method for their implementation. - Intel Microprocessor 14.Briefly explain DMA and its various addressing modes. - Intel Microprocessor 15.Briefly explain the functions of Debugger, Assembler and the Linker. - Intel Microprocessor 16.Write a program in assembly language to find out one`s and two`s complement for an 8 bit number. - Intel Microprocessor 17.Explain the characteristics of the RS232C and RS422A standards. - Intel Microprocessor 18.Briefly explain any 4 modes of operation of the 8254 interval timer. 19.What are the various types of addressing modes for microprocessors? 20.In assembly language, write the program to search for the largest number among n numbers which are stored in the memory. 1. What is the difference between microcontrollers and microprocessor? 2. What is the function of bit slice processor? 3. How intel microprocessor different from other microprocessors? 4. What is the difference between core 2 duos and core 2 quads? 5. What is Microprocessor logic? 6. What are the basic functionalities that are being performed by microprocessor? 7. What are the components present in a microprocessor? 8. What are the different control lines that are present? 9. What is the use of control lines? 10. What is the process of communicating Memory with the Microprocessor? 11. What are the different types of instructions that are present in microprocessor? 12. What is the function of LOADA mem and LOADB mem? 13. Which language is used to write microprocessor instructions? 14. What are the steps that are taken to decode an instruction code? 15. What is the difference between pipelined architecture and non-pipelined architecture? 16. How the address space is defined for different processors? 17. What are the features provided by intel microprocessors? 18. What are the different types of cache that is used by intel microprocessor? 19. How hyper-threading technology is provided with intel microprocessor? 20. What are the different types of processors used in intel microprocessor? 21. What is the difference between CISC and RISC processor? 22. What are the different types of flag registers used in intel microprocessor? 23. Explain the architecture of intel microprocessor? 24. What is the difference between 32 bit or 64 bit microprocessor? 25. What are the different addressing modes that are used in intel microprocessor? 26. What are the different types of instructions that are present in microprocessor? 27. What is the difference between SIM and RIM? 28. How to measure the quality factor of the microprocessor? 29. What are the different triggers present? 30. What is the difference between edge trigger and level trigger? 31. How to measure the clock frequency for 8086 intel microprocessor? 32. How tri-state logic defined? 33. What the difference is between stack and program counter? 34. What are the different functional units that are present in microprocessor? 35. What is the difference between Maskable and non-maskable interrupt? 36. What are the different types of flags that are available in microprocessor? 37. What is the difference between AMD processors and Intel microprocessors? 38. What are the steps involved in 5-stage pipelining? 39. What is the difference between stack and subroutine? 40. How to define the physical address of the microprocessor? 41. What is the function of linker and loader? 42. What is the function of control unit? 43. How to find out the architecture of microprocessor? 44. What is the difference between direct and indirect addressing mode? 45. How 8086 is different from 80386 microprocessor? 46. What is the difference between high order and low order registers? 47. How many types of buses that are required to transfer the data in the system? 48. What are the devices that directly communicate with the microprocessor? 49. What is the term MESI signifies? 50. What is the difference between parallel and direct microprocessor? Write your comment - Share Knowledge and Experience