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
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
All questions carry equal marks
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1 (a) Describe analysis and synthesis phases of language processing with suitable examples.
(b) Enlist the program generation activities. How does these activities reduce the semantic gap?

2 (a) Explain the significance of search data structures in language processing.
(b) Describe allocation and deallocation in stacks.

3 (a) 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 ? a A S ?a
A ? SbA?SS?ba
(b) Compare top down parser with bottom up parser with respect to their suitable usability.

4 (a) Describe the issue of forward referencing and the mechanism to handle it.
(b) Write an algorithm for pass I of a two pass assembler with neat flow chart.

5 (a) What is macroprocessor? Explain the basic tasks performed by macroprocessor.
(b) Explain the different ways in which we can specify the arguments to a macro call with suitable
example.

6 (a) Describe the various types of code optimization techniques in compiler.
(b) Define the following terms: (i) Incremental compiler. (ii) Cross compiler.

7 (a) Explain design issues of a direct linking loader with respect to various data structures used.
(b) Justify the statement ?Relocatable programs are more efficient than self relocating programs?.

8 (a) Differentiate between line editor and screen editor.
(b) Draw the structure of user interface and explain the functions of presentation manager and dialog
manager.

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