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 Massages]

Code Examples

HTML Program:

        
            <pre>
            <code>
            <html>
              <body>
              <p>Hello World</p>
             </body>
            </html>
            </code>
            </pre> ;
            
            C Program:
            <pre>
            <code>
            #include <stdio.h>
            int main() {
                printf("Hello World");
                return 0;
            }
            </code>
            </pre>

            JavaScript Program:
            <pre>
            <code>
            console.log("Hello World");
            </code>
            </pre>

Keyboard Input Examples

To copy text: <kbd>Ctrl</kbd> + <kbd>C</kbd>
To paste text: <kbd>Ctrl</kbd> + <kbd>V</kbd>
To save a file: <kbd>Ctrl</kbd> + <kbd>S</kbd>

Variables in Mathematics

Area of Circle = π × < var > r < /var > < sup > 2 < /sup >
Speed = < var > d < /var > / < var > t < /var >

System Messages

Example 1:
Input: 5 + 10
Output: < samp > List of files displayed here < /samp >

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