The Internet is a cosmic network that attaches computers, Laptops or other internet devices all over the world. Through Internet, people can share their information and can connect any corner of the world with an Internet connection.

It consists of technologies developing by different companies or organizations. Essential figures include Robert W. Taylor, who led the expansion of the ARPANET and Vinton Cerf and Robert Kahn, who developed the Transmission Control Protocol/Internet Protocol (TCP/IP) technologies.

It works through a series of links that connect internet devices around the world through telephone lines. Users been provided access to the Internet through Internet service providers(ISP). The extensive use of mobile broadband and Wi-Fi in this century has allowed this type of connection to be wireless