Download JNTUA M.Tech 2nd Sem Reg-Supply 2018 Aug-Sept 9D06204 Systems Programming Question Paper

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Code: 9D06204

M.Tech II Semester Supplementary Examinations August/September 2018

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SYSTEMS PROGRAMMING

(Digital Systems & Computer Electronics)

(For students admitted in 2013, 2014, 2015 & 2016 only)

Time: 3 hours Max. Marks: 60

Answer any FIVE questions

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All questions carry equal marks

1. Describe analysis and synthesis phases of language processing with suitable examples.
2. Enlist the program generation activities. How does these activities reduce the semantic gap?
3. Explain the significance of search data structures in language processing.
4. Describe allocation and deallocation in stacks.

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5. Write a formal definition of grammar and draw the parse tree for the string aabbaa using following grammar:
   G=({s A}, {a,b}, P,S)
   Where P consists of:
   S—aAS | a
   A — SbA|SS|ba

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6. Compare top down parser with bottom up parser with respect to their suitable usability.
7. Describe the issue of forward referencing and the mechanism to handle it.
8. Write an algorithm for pass I of a two pass assembler with neat flow chart.
9. What is macroprocessor? Explain the basic tasks performed by macroprocessor.
10. Explain the different ways in which we can specify the arguments to a macro call with suitable example.

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11. Describe the various types of code optimization techniques in compiler.
12. Define the following terms: (i) Incremental compiler. (ii) Cross compiler.
13. Explain design issues of a direct linking loader with respect to various data structures used.
14. Justify the statement “Relocatable programs are more efficient than self relocating programs”.
15. Differentiate between line editor and screen editor.

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16. Draw the structure of user interface and explain the functions of presentation manager and dialog manager.

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