... similar to the human brain. One of the most important components inside a computer resembling the human brain is the central processing unit (CPU), which usually takes the form of one silicon ... minicomputer, the medium-computer, the large-computer (mainframe computer) such as IBM 390 and the supercomputer. Computers' software, i. e. programs, is classified as the system software and the ... application fields, for example, the data base management system(DBMS) , the office automation (OA) software, and the graphic processing software. In our shipyards, a lot of modern computers have...