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Description The Internet is a global wide area network that connects computer systems across the world. ... Even cellular data towers must connect to an Internet service provider to provide connected devices with access to the Internet. The Internet provides different online services. It is the biggest source of information, communication, and advertising. Computers and the internet are present in most homes but it has its own advantages and disadvantages. The Internet has many applications like BlockChain, Artificial Intelligence, Internet of Things, and etc. In the past, it would take days and sometimes even months to receive a letter from someone else. Today, with the Internet, you can send an e-mail to anyone in the world and often have it delivered in less than a minute. Other forms of communication, such as chat and VOIP, also allow you to have instant communication with anyone in the world. The Internet provides access to your bank account to view the balance, make transactions, and send money. Also, many services enable you to view and pay bills electronically. If you are a business or want to sell products and services, the Internet is a perfect place to sell most goods. Because anyone in the world with Internet access can find your website, you have access to more potential customers than you ever could with a local retail store. The Internet is always on and always available, which means you have the potential of selling goods every day at all times. The Internet also gives businesses the ability to advertise their product or service to everyone in the world or specify an exact demographic they want to reach.

Description A computer is a machine that accepts data as input, processes that data using programs, and outputs the processed data as information. Many computers can store and retrieve information using hard drives. Computers can be connected together to form networks, allowing connected computers to communicate with each other. Being a modern-day you must have used, seen, or read about computers. This is because they are an integral part of our everyday existence. Be it school, banks, shops, railway stations, hospital or your own home, computers are present everywhere, making our work easier and faster for us. As they are such integral parts of our lives, we must know what they are and how they function. Let us start with defining the term computer formally.   The literal meaning of computer is a device that can calculate. However, modern computers can do a lot more than calculate. Computer is an electronic device that receives input, stores or processes the input as per user instructions and provides output in desired format.