Answer:
A "Hello world" program is usually the very first program you write when learning a new programming language, it simply prints out the text "Hello World". Below are a few examples:

PHP:

echo "Hello World";

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JavaScript:

document.write("Hello World");

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Visual Basic:

Module Hello
Sub Main()
MsgBox("Hello, World!") ' Display message on computer screen.
End Sub
End Module

First answer by Toddnestor. Last edit by Toddnestor. Contributor trust: 2 [recommend contributor recommended]. Question popularity: 1 [recommend question].