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Previous Year Exam Questions for Microprocessor and Interfacing - MPI of 2018 - BPUT by Bput Toppers

  • Microprocessor and Interfacing - MPI
  • 2018
  • PYQ
  • Biju Patnaik University of Technology Rourkela Odisha - BPUT
  • Electronics and Instrumentation Engineering
  • B.Tech
  • 2 Offline Downloads
  • Uploaded 9 months ago
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Registration No : Total Number of Pages : 02 B.Tech PEI5I102 5th Semester Regular / Back Examination 2018-19 MICROPROCESSOR & ITS INTERFACING BRANCH : AEIE, EIE, IEE Time : 3 Hours Max Marks : 100 Q.CODE : E388 Answer Question No.1 (Part-1) which is compulsory, any EIGHT from Part-II and any TWO from Part-III. The figures in the right hand margin indicate marks. Q1 a) b) c) d) e) f) g) h) i) j) Q2 a) b) c) d) e) f) g) h) i) j) k) l) Part- I Short Answer Type Questions (Answer All-10) What is the use of ALE pin? Explain the difference between a JMP instruction and CALL instruction. How many address lines in a 4096 x 8 EPROM CHIP? Define instruction cycle, machine cycle and T-state. What are the features used mode 1 in 8255? What is DMA controller 8257? What are the addressing modes in 8051? What are the registers present in 8086 processor architecture? What is RS-232C Standard? What is the maximum internal clock frequency of 8086? Part- II Focused-Short Answer Type Questions- (Answer Any Eight out of Twelve) How information is saved on the stack of 8085? Explain Vectored and non-vectored interrupts of 8085. Draw and explain the timing diagram of memory write cycle with example. Draw the functional block diagram of 8085 microprocessor and explain. Write a Program to perform the following : i. Load the number 5CH in register D ii. Load the number 9E H in register C iii. Increment the Contents of register C by one. iv. Add the contents of register C and D and Display the sum at output port 1. Explain priority interrupts of 8085. Draw timing diagram for STA instruction. Write a program to initialize 8255 in the configuration given below: Port A as simple input, Port B as simple output, Port CL as output and Port CU as input. Assume address of the control word register of 8255 as 83H. Write the data transfer and arithmetic instructions of 8051. Write a assembly language program to multiply two 16-bit numbers using 8051. Draw and explain the pin diagrams of 8253 timer IC. Write six numbers of differences between microprocessor and microcontroller. (2 x 10) (6 x 8)

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Q3 Part-III Long Answer Type Questions (Answer Any TWO out of FOUR) Write 8085 assembly language program to SORT an array of 10 bytes in Descending order. (16) Q4 Sketch the internal hardware architecture of Intel 8086 and explain each block. (16) Q5 Consider that 4 LEDs are connected to port CL of 8255 chip. Address of port C is 82H and control register is 83H. Write a program to flash 4 LEDs 10 times. Assume persistence of vision to be 0.1 seconds. Consider operating frequency 2.5 MHz. (16) Q6 Write a program in assembly language to multiply two 16-bit numbers using 8085. (16)

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