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GATE CS 2022 : Compiler design Quiz -1

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Question 1

Which of the following data structure is used in the complier?

Question 2

Which of the following is not done by lexical analyzer.

Question 3

In C programming, which of the following is not used as a token separator during lexical analysis?

Question 4

Consider the following program
1: main()
2: { int x=10;
3: if(x<20;
4: else
5: y=20;
6: }
When lexical analyser scanning the above program, find the line number where the l lexical error can be produced?

Question 5

Lexical Analyzer convert a sequence of characters (such as in a computer program or web page) into a sequence of tokens. Consider the following program.

The number of tokens in the above program is _____________?

Question 6

How many tokens present in given code

#include<stdio.h>

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Oct 18GATE & PSU CS