What is the Internet and how does it work? How do computers and smartphones communicate with one another?

The very first job of the internet was to move files from one computer to another even when these computers were very far apart, and File Transfer Protocol did this job. The LancsPublic Wi-Fi network is normally available between 8am and 7pm Monday to Saturday. Once connected you are assigned an 8-hour session which can be shared across a maximum of two devices.

  • Written in Hypertext Markup Language , a hyperlink can point to any other HTML page or file that sits on top of the internet.
  • It is your responsibility to protect your own WiFi device from viruses and malware.
  • However, sending information back via this service is slow and expensive.
  • There are huge number of social media platforms out there, including big names like Twitter, Facebook, Pinterest, Instagram, and YouTube.

It can be fibre optics or copper, but is occasionally beamed through satellites and mobile phone networks. When the first packet-switching network was developed, Leonard Kleinrock was the first person to use it to send a message. He used a computer at UCLA to send a message to a computer at Stanford.

Internet: Browsing the Web Essential Computers Paperback

The only computers that are connected to the internet are called servers. Servers have the pages from websites saved as files on their hard drives. From the 1970s onwards, the home computer industry grew exponentially. The uptake of home computers was not necessarily driven by users’ needs or a computer’s functionality; early machines could actually do relatively little. The appeal to the consumer was the idea of becoming part of the ‘Information Revolution’. In the early 1980s, cheaper technology and the appearance of desktop computers allowed the rapid development of local area networks .

Has someone acted inappropriately towards you online, or to a child or young person you know? If your usage continues we reserve the right to withdraw access to the service. Wi-Fi printing is not yet available in all our libraries. To check your local library, visit their webpage and look under ‘Services available here’ for Wi-Fi printing. To find out if your library has Wi-Fi printing, go to our Find a Library pageto see if ‘Wi-Fi Printing’ shows in their available services.

What is DNS?

Creator of the World Wide Web who developed many of the principles we still use today, such as HTML, HTTP, URLs and web browsers. Chief scientist at ARPA, responsible for developing computer networks. Paul Baran’s idea appealed pieforthepeople.net to Roberts, and he began to work on the creation of a distributed network. The difficulty of using such systems led various scientists, engineers and organisations to research the possibility of a large-scale computer network.


You can now make a cash deposit in advance so that you don’t need to pay separately each time you print. Choose WPA2/WPA3 Personal if some computers that use the shared connection support only WPA2. Choose WPA3 Personal if all computers that use the shared connection support WPA3. If you chose Wi-Fi in the “To computers using” list, click Wi-Fi Options, configure the internet-sharing network, then click OK. Click the “Share your connection from” pop-up menu, then choose the Internet connection you want to share.

Regardless, ethernet is the best option, mainly because it’s faster and more reliable as a source. Don’t include any personal or financial information, for example National Insurance, credit card numbers, or phone numbers. Cable companies offer high bandwidth services over existing cable networks. A cable modem can offer a similar speed to ADSL services.