BSc IT Sem II 2018 2019 2019 MICROPROCESSOR ARCHITECTURE Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Attempt any three of the following: 15 marks
   • a. Explain different constituents of microprocessor system. Draw a neat diagram showing microprocessor based system with bus architecture
   • b. Explain the difference between 8085 machine language and 8085 assembly language
   • c. With neat labled diagram explain how 8085 system bus is divided into three different sets of communication lines
   • d. Illustrate the memory address range of a memory chip with 256 bytes of memory Draw a neat diagram to show the memory map and explain how this memory chip is accessed by 8085 microprocessor
   • e. Explain how lower order data and address bus of 8085 microprocessor are
   • f. With proper timing diagram explain memory read cycle of 8085 microprocessor
2. Q2 Attempt any three of the following: 15 marks
   • a. Explain how eight DIP interfaced with 8085 microprocessor using a
   • b. How is testing and troubleshooting of I/O interfacing circuit is done?
   • c. Discuss in brief the programming model of 8085 microprocessor
   • d. What is meant by hand assembly? How is hand assembling of a program done?
   • e. Explain any one arithmetic and any one logical group one byte instruction from the instruction set of 8085 microprocessor
   • f. Write an assembly language program to add two 8 bit numbers stored at memory locations D200 H and D300 H. Store the answer at memory location D400 H. (Hex code for the program is not expected)
3. Q3 Attempt any three of the following: 15 marks
   • a. What are different available conditional loops in the assembly language programming
   • b. Explain following logical instructions — What is time delay? Why is time delay needed in a program? What are different ways of generating a time delay in an assembly language program for 8085 microprocessor
   • d. Write an assembly language program for 8085 microprocessor to count continuously from FFH to 00H in a system with clock period. Set up a delay of 1 millisecond between two value
   • e. What is stack? How is stack used both by microprocessor and user?
   • f. Explain following instructions for 8085 microprocessor —
   • i. Restart ii. Conditional call and return
   • Q.P.Code : 33407
4. Q4 Attempt any three of the following: 15 marks
   • a. Write a 8085 assembly language to convert a 8-bit binary number to unpacked BCD
   • b. What is meant by table look up technique? How is it used for BCD to Seven Segment
   • c. Explain the hardware features of a typical software development system
   • d. What are advantages of an assembler?
   • e. Discuss various interrupts used by 8085 microprocessor and their priorities
   • f. What is meant by vectored interrupt? Also explain use of SIM instruction
5. Q5 Attempt any three of the following: 15 marks
   • a. What are special Pentium Registers? Discuss the architecture of Special Pentium
   • b. Discuss the memory map of Pentium 2 processor
   • c. Explain the CPUID instruction used by Pentium 4,
   • d. Explain the architecture of SPARC
   • e. List the components of SPARC processor. Discuss each in brief
   • f. Explain the concept of windowed register of SPARC microprocessor

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