Which of the following are Lexemes?a) Identifiers b) Constants c) Keywords d) All of the mentioned
Question
Which of the following are Lexemes?a) Identifiers b) Constants c) Keywords d) All of the mentioned
Solution
d) All of the mentioned
Explanation:
A lexeme in programming is the lowest level syntactic unit of a language, often corresponding to a sequence of characters in the source program.
a) Identifiers: These are the names given to different entities such as variables, functions etc. They are definitely lexemes.
b) Constants: These are fixed values that do not change during the execution of a program. They are also lexemes.
c) Keywords: These are reserved words in a programming language that have predefined meanings and uses. They are also lexemes.
So, all of the mentioned (Identifiers, Constants, Keywords) are lexemes.
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