Download JNTUH MCA 1st Sem R13 2019 April-May 811AB Computer Organization Question Paper

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R13

Code No: 811AB

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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA I Semester Examinations, April/May - 2019

COMPUTER ORGANIZATION

Time: 3 Hours Max. Marks: 60

Note: This question paper contains two parts A and B.

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Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 8 marks and may have a, b, c as sub questions.

PART - A

5 x 4 Marks = 20

1. a) What is the purpose of Half adder?
2. b) Draw the block diagram of typical RAM chip.

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3. c) What are the flags in 8086?
4. d) Compare isolated versus memory mapped I/O.
5. e) What are the advantages of parallel processing?

PART -B

5 x 8 Marks =40

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1. Simplify the following boolean function using four-variable maps.
   1. F(A, B, C, D)=S(3,7,11,13,14,15)
   2. F(A, B, C, D)=S(0,2,4,5,6,7,8,10,13,15) [4+4]
   OR
2. a) Explain the floating point representation.
   b) Explain operation of 3 to 8 decoder. [4+4]

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3. Explain the operation of set-associating mapping. [8] OR
4. Explain about content addressable memory. [8]
5. Explain 8086 CPU architecture. [8] OR
6. a) Write an 8086 assembly level languages program to find biggest among 3-integers.
   b) Give some 8086 shift instructions. [4+4]

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7. Explain DMA-mode of data transfer. [8] OR
8. a) Explain about Daisy chaining with neat sketch.
   b) What are the various peripheral devices? [4+4]
9. Explain the RISC pipeline. [8] OR
10. Explain the SIMD array processor. [8]

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