The mobile phone is also a type of computer because it fulfills all the criteria of being a computer. The computer is categorized into many different types like supercomputers, mainframes, personal computers (desktop), PDAs, laptop, etc. These other parts include a printer, laser pen, scanner, etc. Also, there are hundreds of other computer parts that can be attached to it. The simple computer basically consists of CPU, monitor, mouse, and keyboard. The data which we feed into the computer is input, the work CPU do is process and the result which the computer give is output. In simple words, the process can be explained in this way. Also, the computer follows this cycle in every process it was asked to do. The computer runs on a three-step cycle namely input, process, and output.

Above all, in the beginning, the computer was a very large and heavy machine. But, it was for only government use and not for public use. Also, at that time they were used for keeping data. But according to some experts computer exists at the time of world war-II. It is very difficult to find the exact origin of computers. Above all, they have revolutionized the whole world. Also, they are used in many fields like agriculture, designing, machinery making, defense and many more. Mankind is using computers for over many decades now. Nowadays, they use the computer in every office whether private or government. Also, their usage has increased much fold during the last decade. The modern-day computer has become an important part of our daily life. In this essay on computer, we are going to discuss some useful things about computers.

Computer full notes in hindi