Computer adavantage

There are three reasons that makes the computer very useful in our life. First of all, computer has changed the way to communicate; for example, we can send messages, talk with other people, etc. Another example could be that computer helps we in our work; for example, students in high school uses a lot the computer to search information that their teachers send them for homework. Also, computer is such as big book, that i try to say is that we ca can find everything. We can see that computer is  the best invention ever the human had created.