Computer Code Reference Page

In HTML, we can represent programming code, variables, keyboard input, and system responses using special tags.

[Code Examples] [Keyboard Input] [Variables] [System Messages]

Code Examples

HTML Program:


<html>
  <body>
    <p>Hello World</p>
  </body>
</html>

C Program:


#include <stdio.h>
int main() {
  printf("Hello World");
  return 0;
}

JavaScript Program:


console.log("Hello World");

Keyboard Input Examples

To copy text: Ctrl + C

To paste text: Ctrl + V

To save a file: Ctrl + S

Variables in Mathematics

Area of Circle = π * r2

Speed = d / t

System Messages

Example 1: Input: 5 + 10
Output: 15

Example 2: Command: dir
Output: List of files displayed here

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