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

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Registration No : Total Number of Pages : 01 MCA MCC102 1st Semester Back Examination 2018-19 MICROPROCESSOR AND ASSEMBLY LANGUAGE PROGRAMMING BRANCH : MCA Time : 3 Hours Max Marks : 70 Q.CODE : E746 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) e) f) g) h) i) j) Q2 a) b) Answer the following questions : Convert 11.65 to its binary equivalent. What is BCD system? Where it is used? Name various status flags provided in 8085. What are RISC and CISC processors? What is the difference between a Macro and a subroutine? What is Memory mapped I/O scheme and I/O mapped I/O scheme? What do you understand by debugging of a program? What is the use of LATCH signal on AD0-AD15 bus in 8086 system? How many interrupt sources are available in 8051? What are they? Name the different registers of Intel 8086. (2 x 10) What is the need of master slave flip-flop? Explain its functioning with the help of a suitable diagram? Construct a 16-to-1 line multiplexer with two 8-to-1 line multiplexers and one 2-to-1 line multiplexer. (5) (5) Q3 a) b) Draw and explain the 8085 microprocessor bus organization. Discuss how memory chips and I/O devices are interfaced to a microprocessor. (5) (5) Q4 a) Discuss various types of addressing modes of Intel 8085 with suitable examples. Classify 8085 instructions in various groups. Give examples of instuction for each group. (5) b) (5) Q5 a) b) Write an assembly language program for 16 bit multiplication. Write an assembly language program to find smallest number from a series of numbers. (5) (5) Q6 a) What is stack? What is the function of stack pointer? Discuss PUSH and POP operation. Give the pin configuration and explain the expanded block diagram of 8255. (5) Define the different modes of operation of DMA. What are various control signals generated by DMA controller in master mode? (10) How many functional units does 8086 contain? Discuss them in brief. Explain the pin description of both minimum and maximum mode of operation for Intel 8086. (5) (5) b) Q7 Q8 a) b) (5)