Part I Fill the following blank (Xpoints) 1. A computer system consists of ( ) and ( ). 2. Data type can be divided into(). C). 3. The first generation computer is based on ). 4. The interface between computer and user is ( ). 5. The interface between physical computer and virtual computer is ( ). 6. The ) system decides which programs to run and when 7. From the view of the lowest layer of a computer system it is a logical circuit which is consist of three basic logic operation, and (). 8. In the development process of data management technology, it has experienced manual management stage, file system stage and stage. 9. Internet is an international internet network based on protocol set 10 Three key Elements of Software Engineering ( ), () 11) Common color modes include() ()