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Questions and Answers
What are keywords in C language?
What are keywords in C language?
- Reserved words with predefined meaning (correct)
- Words used for comments and documentation
- Words used for defining user-defined functions
- Words used for naming variables
How many keywords are there in C language?
How many keywords are there in C language?
- 24
- 32 (correct)
- 36
- 28
What is the role of ANSI in standardizing C language?
What is the role of ANSI in standardizing C language?
- Developed the first C compiler
- Standardized C language in 1989 (correct)
- Introduced C language
- Standardized C language in 1999
What is the difference between identifier and keyword in C?
What is the difference between identifier and keyword in C?
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What type of words are identifiers in C?
What type of words are identifiers in C?
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Study Notes
Keywords in C Language
- Keywords in C language are predefined words that have specific meanings and are used to perform specific functions.
- There are 32 keywords in C language, which are reserved and cannot be used as identifiers.
ANSI Standardization
- ANSI (American National Standards Institute) played a crucial role in standardizing the C language.
- ANSI standardized C language in 1989, which helped to establish a common language syntax and semantics.
Identifiers vs Keywords
- Identifiers are user-defined names given to variables, functions, and labels in a C program.
- Keywords, on the other hand, are predefined words that have specific meanings and cannot be used as identifiers.
- Identifiers are used to identify and distinguish between different entities in a program, whereas keywords are used to perform specific functions.
Identifiers in C
- Identifiers in C are names given to variables, functions, and labels.
- Identifiers can be composed of letters, digits, and underscores, but must start with a letter or underscore.
- Identifiers are case-sensitive and are used to declare and access variables, functions, and labels in a C program.
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Description
Test your knowledge of identifiers and keywords in the C programming language with this quiz. Learn the differences between identifiers and keywords and solidify your understanding of these fundamental concepts in C programming.
