The lexical analyzer takessource program, a set of regular expressionssource program, a set of tokensas input and producessource program, a set of lexemesNone of the aboveas output.

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source program, a set of regular expressions source program, a set of tokens source program, a set of lexemes O None of the above

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter5: Repetition Statements

Section: Chapter Questions

Problem 7PP

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Concept explainers

Control structures

Control structures are block of statements that analyze the value of variables and determine the flow of execution based on those values. When a program is running, the CPU executes the code line by line. After sometime, the program reaches the point where it has to make a decision on whether it has to go to another part of the code or repeat execution of certain part of the code. These results affect the flow of the program's code and these are called control structures.

Switch Statement

The switch statement is a key feature that is used by the programmers a lot in the world of programming and coding, as well as in information technology in general. The switch statement is a selection control mechanism that allows the variable value to change the order of the individual statements in the software execution via search.

Question

The lexical analyzer takes
source program, a set of regular expressions
source program, a set of tokens
as input and produces
source program, a set of lexemes
None of the above
as output.

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