computer is an electronic device,
which executes software programs. It is made up of two parts – hardware and software . The computer processes input through input devices like mouse and keyboard. The computer displays output through output devices like a monitor and printer. The size of a computer varies considerably from small personal computers to gigantic supercomputers which require an entire building to host them. The speed also has a very large range. Computers have become indispensable in today’s world. Let us take a look at some of their uses.
Word Processing – Word Processing software automatically corrects spelling and grammar mistakes. If the content of a document repeats, you don’t have to type it each time. You can use the copy and paste features. You can print documents and make several copies.
It is easier to read a word-processed document than a handwritten one. You can add images to your document.
Internet – It is a network of almost all the computers in the world. You can browse through much more information than you could do in a library. That is because computers can store enormous amounts of information. You also have very fast and convenient access to information. Through E-Mail, you can communicate with a person sitting thousands of miles away in a few seconds. Chat software enables one to chat with another on a real-time basis. Video conferencing tools are becoming readily available to the common man.