Плюсики:
+a lot of pupils use computer for schoolwork
+you can read e-books, find any information on the Net and even play some educational games!
+you can be in touch with each other chatting on Skype or Social Networks
+computer gives us a cheap and entertainment, such as playing computer games, watching videos and what not
Я так поняла, что это вам для эссе, поэтому у меня всего один минус, на что позже я дам контраргумент.
-using the PC is dangerous for our eyes
Контраргументы:
+modern technologies are making computer safer and safer
+children can do exercise s which are well-known or use protective glasses