Timotius Romulo

Hello world!

Posted: August 2nd 2012

A “Hello world”  is a computer program that outputs “Hello, world” on a display device. Because it is typically one of the simplest programs possible in most programming languages, it is by tradition often used to illustrate to beginners the most basic syntax of a programming language, or to verify that a language or system is operating correctly. In a device that does not display text, a simple program to produce a signal, such as turning on an LED, is often substituted for “Hello world” as the introductory program.   Purpose A “Hello World” program has become the traditional first program that many people learn. In general, it is simple enough that people who have no experience with computer programming can easily understand it, especially with the guidance of a teacher or a written guide. Using this simple program as a basis, computer science principles or elements of a specific programming language can be explained to novice programmers. Experienced … Read more

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