Computer are helpful in many ways

Computer are helpful in many ways. Firstly, because they are fast, they can work with information even more(21)_______than a person. Secondly, computer can work with a lot of information at the same time. Thirdly, they can keep information for a long time. They do not forget things that the commom people do.(22)________, computer are almost always correct. They are not perfect, but the do not usually make mistakes.
Recently, it is (23)_______ to know about computer. There are a number of things to learn. Some companies have classes at work. In addition, most universities (24)________ day and night courses in computer science. Another way to learn is from a book, or from a friend. After a few hours of (25)________, you can work with computer. You may not be expert, but you can have fun.
(Moreover,quickly, important,offer, practice,modern,Howeever)