Several objectives are required to achieve a successful data base management program. These are availability of data, quality of data, and

A program language:

A. defines the form of the instruction

B. is always machine dependent

C. is never machine dependent

D. All of the above

E. None of the above

Which of the following symbol modes are used to input of graphics to General CAD system?

A. Live and Rectangle mode

B. Arc and Circle mode

C. Dimension and Alphanumeric mode

D. All of the above

E. None of the above

Which technique enables the designer to mold and shape, rather than construct on object using a series of lines?

A. Solid modeling

B. Wire-frame modeling

C. Surface modeling

D. FEM (Finite Element Modeling)

E. None of the above

Computer-based controllers:

A. should be built in a modular fashion wherever possible

B. are very difficult to change

C. are very flexible

D. (a) and (c) above

E. None of the above