Basics of Computers

Introduction Being a modern-day kid 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 a computer is a device that can calculate. However, modern computers can do a lot more than calculating. The computer  is an electronic device that receives input, stores or processes the input as per user instructions, and provides output in the desired format. Characteristics of Computer To understand why computers are such an important part of our lives, let us look at some of their characteristics − Speed   − Typically, a computer can carry out 3-4 million instructions per second. Accuracy   − Comp...