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!\n");
    return 0;
}
    
JavaScript Program:
        
<pre>
    <code>
        console.log("Hello World");
    </code>
</pre>
        
    

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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