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TAMIL NADU OPEN UNIVERSITY MCA - I (SEM 2) JUN 2008 : Introduction To Computer Organisation

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Wk 6 MCA 646 MCA-06/ PGDCA-05 M.C.A./P.G.D.C.A. DEGREE/DIPLOMA EXAMINATION JUNE 2008. First Year/Second Semester INTRODUCTION TO COMPUTER ORGANISATION Time : 3 hours Maximum marks : 75 Answer for 5 marks questions should not exceed 2 pages. Answer for 10/15 marks questions should not exceed 5 pages. PART A (5 5 = 25 marks) Answer any FIVE questions. 1. Convert the following decimal numbers to binary (a) 32 (b) 89 (c) 298. Wk 6 2. Draw a Karnaugh Map for five variables. 3. Write short notes on Direct Memory Access. 4. Define control unit and write its functions. 5. What is Micro-programmed control unit? 6. List out microprocessor. 7. various components of 8086 Differentiate between COM and EXE programs. PART B (5 10 = 50 marks) Answer any FIVE questions. 8. Explain Multiplexer and Decoder detail. 9. Explain the following : (a) Optical Memories (b) Charge Coupled Devices (c) Magnetic Bubble Memories. 10. Explain the basic structure of the CPU with a neat diagram. 11. Discuss the basic organization of ALU. 2 MCA 646 Wk 6 12. Define microinstruction and write its types and formats. 13. Discuss the brief outline of 68000 microprocessor. 14. Write an assembly language program to find largest among 10 numbers. 3 MCA 646

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Additional Info : Mca - I (sem 2) June 2008 Question Paper - Introduction To Computer Organisation
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