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Previous Year Exam Questions of Microprocessor of bput - MP by Verified Writer

  • Microprocessor - MP
  • 2017
  • PYQ
  • Biju Patnaik University of Technology Rourkela Odisha - BPUT
  • Electronics and Instrumentation Engineering
  • B.Tech
  • 30 Offline Downloads
  • Uploaded 2 years ago
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Registration no: Total Number of Pages: 01 B.Tech. PCEC4301 5th Semester Back Examination 2017-18 Microprocessors BRANCH: AEIE, AERO, AUTO, BIOMED, ECE, EIE, ETC, FASHION, FAT, MECH, METTA, MME Time: 3 Hours Max Marks: 70 Q.CODE: B235 Answer Question No.1 which is compulsory and any five from the rest. The figures in the right hand margin indicate marks. Q1 a) b) c) d) Answer the following questions : What is the purpose of data segment register in 8086? What is the difference between a microcontroller and microprocessor? Write a program for producing a short delay using one register. (2 x 10) j) How many address lines are available in 8086 microprocessor and what is its maximum memory capacity? Differentiate nearjump from far jump in 8086. Define Macros in 8086. Assume that the control register of 8255 PPI is 81H. What are the hardware configuration of 8255 PPI ports? What are the control signals used for DMA operation? The internal RAM memory of the 8051 is: i. 32 bytes ii. 64 bytes iii. 128 bytes iv.256 bytes If CS content is 3000H and IP content is 0500H. Find the physical address. Q2 a) b) What are addressing modes in 8086? Discuss each with example. What is pipelining. Explain the term with respect to IC8086. (5) (5) Q3 a) b) Compare RISC and CISC List the procedure to set a TRAP flag of IC8086. (5) (5) Q4 a) What are the advantages and disadvantages of memory mapped I/O over I/Omapped I/O? Compare microprocessors and microcontrollers (5) Explain when we can use the following instructions DAA ADC Draw the interfacing diagram of DAC0808 with 8051 (5) Draw Timing Diagram for minimum mode 8086 read bus cycle. Multiply 12H and (-13H). Store the result in 30000H [3000:0000] and 30001H locations. (5) (5) Describe with block diagram interfacing of DAC with 8086? (10) e) f) g) h) i) b) Q5 a) b) Q6 a) b) Q7 Q8 a) b) c) d) Write short answer on any TWO : Serial communication of 8051 Watch dog timer of PIC Timer modes of operation. IVT in 8086 microprocessor (5) (5) (5 x 2)

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