1.What is the one that can be moved without insignificant reprogramming:

2.a machines of various vendors and capabilities can work together to produce needed information:

3. an older operating system which was use a microcomputers:

4. a user interface is a combination of means by which a user interacts with the computer system:

5. use open system in organizational computing, so that their software and hardware of any vendor can operate with those of any other, calls for an operating system that would run on any hardware platform: ​