FUNDAMENTALS OF COMPUTER

COMPUTER PROGRAMMING FUNDAMENTALS

5 BASIC ELEMENTS OF PROGRAMMING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ is mostly first piece of code In c++
A
preprocessor directives
B
main function
C
header files
D
return statement
Explanation: 

Detailed explanation-1: -Preprocessor directives are lines of the source file where the first non-whitespace character is #, which distinguishes them from other lines of text. The effect of each preprocessor directive is a change to the text and the result is a transformation of the text that does not contain the directives nor comments.

Detailed explanation-2: -Preprocessor directives, such as #define and #ifdef, are typically used to make source programs easy to change and easy to compile in different execution environments. Directives in the source file tell the preprocessor to take specific actions.

Detailed explanation-3: -C preprocessor is conceptually the first step during compilation.

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