Computer Technology: The Internet

In the early days of the internet, computer technology work was still very much in its infancy. However, the internet quickly became a powerful tool for businesses and individuals alike. Today, the internet continues to evolve and grow, and it is now used for everything from shopping to communicating with friends and family.

 Here’s a look at some of the different uses of the internet:

 1. Shopping

 Shopping online is convenient and affordable. There are thousands of websites dedicated to selling just about anything you can imagine. Whether you’re looking for clothes, electronics, books, or groceries, chances are you’ll find something you like.

 2. Social Media

 Social media sites like Facebook, Twitter, Instagram, and LinkedIn allow users to connect with others and share information. These sites also provide a platform for advertisers to reach out to consumers directly.

 3. Communication

 Email is probably the most common form of communication over the internet. Email allows you to communicate with anyone, anywhere, anytime.

 4. Education

 Online education options are growing rapidly. Many universities offer courses via the web, allowing students to study from home. Others offer distance learning opportunities that let students attend classes from wherever they happen to be.

 5. Entertainment

 You can watch movies, listen to music, play games, read news articles, and so much more all from the comfort of your own home.

 6. Businesses

 Business owners can advertise their products and services online, reaching millions of customers worldwide. They can also accept orders and ship goods to clients around the world.

 7. Research

 Researching topics online can save you hours of searching through libraries and bookstores. Websites like Google Scholar and Wikipedia make finding academic papers simple.

 Table of Contents

  • What Is the Internet?
  • Why Do We Need the Internet?
  • Types of Networks
  • Network Topologies
  • Protocols
  • TCP/IP vs. UDP/IP
  • DNS
  • HTTP

What Is the Internet?

The internet is a global system of interconnected computer networks that use the standard Internet Protocol Suite (TCP/IP) to serve billions of devices worldwide. It consists of millions upon millions of private, public, academic, business, government, and other computers.

Why Do We Need the Internet?

The internet has become an integral part of our lives. It provides us with information about anything and everything. From buying groceries online to booking flights or hotels, there are so many ways to get connect through the web. But did you know that the internet also plays a vital role in business? If you want to grow your company, then you should consider investing in a website technology work

Types of Networks

A network consists of nodes or computers connected by links. Nodes can be servers, routers, switches, clients, etc., while links are connections between them. There are three types of networks: physical, virtual, and abstract. Physical networks include wired and wireless networks. Virtual networks include software-defined networking (SDN) and cloud computing. Abstract networks include social media sites such as Facebook, Twitter, LinkedIn, Instagram, YouTube, and Pinterest.

Network Topologies

A network topology is the way computers are connect together. For example, if you have three computers, they can be connect by one cable or by multiple cables. If you connect them with one cable, then there is only one path between any pair of nodes. This type of connection is called a single-point failure because if something goes wrong at one node, all communication stops. However, if you connect them with multiple cables, then each computer has more than one path to every other computer. This means that if one cable fails, communications still go through another cable. This type of connection, where each node has multiple paths to every other node, is call a multi-point failure.


A protocol is a set of rules or standards that govern how something works. For example, if you want to send money across borders, there are protocols governing how much money can be sent and where it must go. If you want to trade stocks, there are protocols governing who can trade with whom and at what price.


As mention earlier, IP addresses are assigne by the Internet Assigne Numbers Authority (IANA) to individual organizations or individuals. These numbers are then use to identify computers connect to the internet. Each computer has a unique address, which can be represent as a number between 0 and 255. This number identifies the network interface card (NIC) installed on the machine. A NIC uses either Transmission Control Protocol (TCP) or User Datagram Protocol (UDP) to communicate with other devices on the same subnet.


Domain Name System or DNS is a protocol use by computers to translate human-friendly domain names like “” into IP addresses like “” so that they can be found online. It was develop in 1983 by Paul Mockapetris at Stanford University.


Hypertext Transfer Protocol or simply HTTP is a protocol use by web browsers to communicate with web servers. It is the standard way to access data on the World Wide Web.


The internet has become an integral part of our lives. It provides us with many ways to stay connected with each other and learn new things.


What is IoT?

Internet of Things (IoT) refers to devices connected to the internet that can be controlled remotely or communicate with each other. This includes everything from smart thermostats to refrigerators to light bulbs.


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