GATE CSE 1987 | Question: 1-xi

Question

In a compiler the module that checks every character of the source text is called:

• A. The code generator.
• B. The code optimiser.
• C. The lexical analyser.
• D. The syntax analyser.

Comments

 the module that checks

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@Lakshman Patel RJIT  Please correct the question . It should be “that checks”

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@raja11sep @abir_banerjee Corrected.

Answer 1

lexical analyser phase checks every character of text to identify tokens.

Answer 2

The first phase of compiler is known as lexical analyser,it is also known as scanner because it scans the whole program so it checks every character of the source text.Hence answer is C