Question Paper: System Programming And Compiler Construction : Question Paper Dec 2014 - Computer Engineering (Semester 6) | Mumbai University (MU)

System Programming And Compiler Construction - Dec 2014

Computer Engineering (Semester 6)

(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks.

Solve any four of the following:-

1 (a) Explain different functions of loader in brief.(5 marks) 1 (b) Explain positional parameter in macro.(5 marks) 1 (c) Explain heap allocation.(5 marks) 1 (d) Explain role of finite automata in compiler.(5 marks) 1 (e) What are system software and application software?(5 marks) 2 (a) Explain code optimization in compiler designing with suitable example.(10 marks) 2 (b) Explain two pass macro with flowchart and database.(10 marks) 3 (a) Explain the working of direct linking loader with a proper example. Show the entries in different database built by direct linking loader.(10 marks) 3 (b) Explain different error recovery techniques used by compiler.(10 marks) 4 (a) Explain one pass assembler with flowchart and respective database.(10 marks) 4 (b) Explain operator preceding parsing with example.(10 marks) 5 (a) Consider the following grammar with terminals (,[,) and ]

i) Construct first and follow set for the non-terminals.
ii) Construct its LL(1) parsing table.
iii) Is this LL(1) grammar?
(10 marks)
5 (b) Explain syntax directed translation.(5 marks) 5 (c) Explain three address code.(5 marks) 6 (a) Consider the following grammar:-
S?SbS | bSaS| ?
i) Frame the transition table and action/goto table of the given grammar.
ii) Demonstrate if the grammar is LR(O) or not.
(10 marks)
6 (b) Explain handle, first set and follow set.(5 marks) 6 (c) Explain role of lexical analyser.(5 marks)

Solve any four of the following:-

7 (a) Explain DAG.(5 marks) 7 (b) Explain LEX and YACC.(5 marks) 7 (c) Explain the working and need of linkage editor.(5 marks) 7 (d) What is toward reference problem? How it is resolved in two pass assembler?(5 marks) 7 (e) Explain activation record.(5 marks)

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