Components of program

By: aathishankaran Printer Friendly Format    

Components of program

 

The components of a program are:

 

  1. Comment entry: An entry following the symbols

It indicates a comment entry, and is used to specify a comment. It increases readability and clarity of a program for documentation purposes.

 

  1. Program name: PROGRAM_ONE indicates name of the program.

 

  1. Delimiters: { and } indicate beginning and end markers of the program. It is also required for statement blocks (set pf sentences which are closely related and form part of a construct).

 

  1. Sentences: Each line of a program is a sentence.

 

  1. Sentence terminator: Each sentence is to be terminated with a ; (semi-colon ) which is called the sentence terminator.

 

  1. Keywords: Sentences can contain certain words, which are used for specific purposes. These words are called keywords/ for example, to show a message, the keyword is display. Keywords appearing in all the examples in this courseware are in lowercase and have been italicized.

 

The program sequence displays a name:

 

DISPLAY_NAME

{

            display “My name is:”;

            display “Veronica.”;

}

 





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