comparison

1.labtop are lighter than desktop computers,but more heavy than notebooks
2.the mainframe is the most large type of computers.a minicomputers is not as small as microcomputers
3.personal comuters are the more common than mainframes but mainframes are better than personal computers at processing very large amounts of data
4.minicomputers are not more expensive than mainframe but they are also not as powerful as mainframe
5.new computers are faster and sometimes not cheaper than older machines
6.labtop are often more expensive than Pcs but they are not as powerful as  pcs