consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.

is used for interactive Graphics

is expensive because it is sophisticated and make demands on the power and resources of the computer.

The SKETCHPAD system

1.	The SKETCHPAD system
A.	consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.
B.	is used for interactive Graphics
C.	is expensive because it is sophisticated and make demands on the power and resources of the computer.
D.	All of the above
Answer» E.

Discussion