What is computer???
What is computer? The word computer is derived from a word compute which means to calculate. A computer is a machine which receives inputs from the users, process that inputs and give output to the in the computer screen. Some benefits of using computer: As we know in the past time people used manual system to store data. They used registers, papers and many other things for this purpose. It was very job and was also time consuming. So to solve these problems the computer was invented. A computer is extremely fast and it can hundreds of commands in a minute. Another benefit of computer is its accuracy. It can do a lot of calculation in a minute without any mistake. It follows instruction given by a user and works according to the user commands. It can stores a lot of information and data in its memory. It cannot get tired and can work continuously.