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+12 votes
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Match all items in Group 1 with the correct options from those given in Group 2.

Group 1 Group 2
P. Regular Expression 1. Syntax analysis
Q. Pushdown automata 2. Code generation
R. Dataflow analysis 3.  Lexical analysis
S. Register allocation 4. Code optimization
  1. P-4, Q-1, R-2, S-3
  2. P-3, Q-1, R-4, S-2
  3. P-3, Q-4, R-1, S-2
  4. P-2, Q-1, R-4, S-3

 

asked in Compiler Design by Veteran (68.1k points)
edited by | 713 views

2 Answers

+23 votes
Best answer

Regular expressions are used in lexical analysis.

Pushdown automata is related to context free grammar which is related to syntax analysis.

Dataflow analysis is done in code optimization.

Register allocation is done in code generation.

Ans B

answered by Boss (6.3k points)
edited by
Regular expressions are used in lexical analysis,ryt?
Register allocation is a part of code optimisation.
0 votes
answer - B
answered by Boss (9.4k points)
Answer:

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