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Previous Year Exam Questions for Microprocessor and Assembly Language Processing - MALP of 2018 - BPUT by Bput Toppers

  • Microprocessor and Assembly Language Processing - MALP
  • 2018
  • PYQ
  • Biju Patnaik University of Technology Rourkela Odisha - BPUT
  • Master of Computer Applications
  • MCA
  • 135 Views
  • 3 Offline Downloads
  • Uploaded 10 months ago
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Registration No : Total Number of Pages : 02 MCA MCA506C 5th Semester Regular Examination 2018-19 MICROPROCESSOR & ASSEMBLY LEVEL LANGUAGE PROGRAMMING BRANCH : MCA Time : 3 Hours Max Marks : 100 Q.CODE : E524 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) (2 x 10) What are the main components of a CPU? What is an implicit addressing mode? Give one example of an implicit addressing mode. Write different types of status codes S0 and S1 for 8085 microprocessor. Which interrupts are the maskable interrupts of 8085 microprocessor? How many basic instructions and opcodes are there of 8085 microprocessor? What is the function of NMI pin of 8086 microprocessor? What are the register organization of 8086 microprocessor? Which type of interrupt scheme is used as vectored interrupt? Show a tri-state device with its functions. Which types of control messages are used in IEEE 488 data communication buses? Part- II Focused-Short Answer Type Questions- (Answer Any Eight out of Twelve) Explain with a schematic diagram of a digital computer. Explain different types of interrupts with the pin number of 8085 microprocessor. Explain with timing diagram for fetching one instruction. Explain about the status flag of a 8086 microprocessor. Explain with the block diagram for interfacing of 8259A to a microprocessor. What are the DMA data transfer schemes? Explain the important signals of 8237A. Define microprocessor, microcontroller and embedded processor with a suitable example from each of them. Write the advantage and dis-advantage of assembly language programming with respect to machine language programming. Explain with the schematic diagram for the serial data communication of RS-232C. Explain the maximum mode of operation of 8086 microprocessor. Write an assembly language program to add two 16 bit data and store the result in registers. Write an assembly language program to add two nibbles of a number. (6 x 8)

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Q3 Part-III Long Answer Type Questions (Answer Any Two out of Four) What is an addressing mode? Explain different types of addressing mode with an example from each of them for a 8085 microprocessor. (16) Q4 Explain 8251A with a suitable block diagram. (16) Q5 What is an instruction cycle? Explain the instruction cycle for executing one instruction using the state diagram. (16) Q6 Show the diagram of memory and I/O interfacing. Explain 8085 microprocessor pins used for memory and I/O interfacing with other devices. (16)

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