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Previous Year Exam Questions for Microcontroller and Applications - MCA of 2017 - bput by Verified Writer

  • Microcontroller and Applications - MCA
  • 2017
  • PYQ
  • Biju Patnaik University of Technology BPUT - BPUT
  • Electronics and Communication Engineering
  • B.Tech
  • 25 Offline Downloads
  • Uploaded 1 year ago
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Registration no: Total Number of Pages: 01 7th Semester Regular / Back Examination 2017-18 MICROCONTROLLERS AND APPLICATIONS BRANCH: BIOMED, ECE, ETC Time: 3 Hours Max marks: 70 Q.CODE: B380 Answer Question No.1 which is compulsory and any five from the rest. The figures in the right hand margin indicate marks. Q1 Answer the following questions: a) How many ports are available with 8051 Microcontroller and by default they b) c) d) e) f) g) h) i) j) B.TECH PEEI5401 (2 x 10) remain in input or output mode? What is the use of pin XTAL and ALE pin of 8051? How many Register Banks are present in 8051? How are they selected? What is he difference between Harvard and Von Neuman Architectures? What is the addressing mode of MOV A, @R0? Show the PSW bits of 8051. What is the FSR (File Selection Register) of PIC Microcontroller? Enlist two bit manipulation instruction of 8051. What do you understand by RISC and CISC? What is the value of the Stack pointer when 8051 is reset? What is the size of Internal RAM and ROM of 8051? Q2 a) Discuss the alternate functions associated with the Port 3.0-3.7 of 8051. b) Discuss the various Addressing Modes of 8051. (5) (5) Q3 a) Write an assembly language program to add two 8 bit numbers using 8051. b) Discuss the different special function registers available with 8051. (5) (5) Q4 With the aid of suitable schematics describe the Architecture of Atmel 89C51. Q5 a) b) Discuss some Industrial Applications of Microcontrollers Discuss the memory and register organization of PIC 16F8XX Flash Microcontrollers with suitable diagrams Q6 a) Draw the Interfacing of 8 numbers of LED with 8051. b) How can you interface a Keyboard with microcontroller? How can you carry out the conversion of 8-bit Signed Number into a 16 bit Signed Number using microcontrollers? b) Use any microcontroller of your choice to find the Square Root of a number. Q7 a) Q8 a) b) c) d) Write short notes on any two: Instructions of 8051 Staircase Ramp Generation with 89C51 MCS-51 Interrupts PIC Timers (10) (5) (5) (5) (5) (5) (5) (5 x 2)

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