FUNDAMENTALS OF COMPUTER

Previous
Next

COMPUTER PROGRAMMING FUNDAMENTALS

PROGRAMMING LANGUAGES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
These are the building blocks of a program’s grammatical structure, representing such basic elements as identifiers, numeric ____ literals, and specific keywords and operators of the language
A
Syntax
B
Tokens
C
Semantic
D
Lexemes
Explanation: 

Detailed explanation-1: -A token is the smallest element of a C++ program that is meaningful to the compiler. The C++ parser recognizes these kinds of tokens: Keywords. Identifiers. Numeric, Boolean and Pointer Literals.

Detailed explanation-2: -Token: A token is a group of characters having collective meaning: typically a word or punctuation mark, separated by a lexical analyzer and passed to a parser. A lexeme is an actual character sequence forming a specific instance of a token, such as num. The pattern matches each string in the set.

Detailed explanation-3: -One can define tokens in C as the smallest individual elements in a program that is meaningful to the functioning of a compiler. A token is the smallest unit used in a C program. Each and every punctuation and word that you come across in a C program is token.

Detailed explanation-4: -C Tokens are of 6 types, and they are classified as: Identifiers, Keywords, Constants, Operators, Special Characters and Strings.

There is 1 question to complete.
Previous
Next