Automation System
The SKETCHPAD system

is expensive because it is sophisticated and make demands on the power and resources of the computer.
is used for interactive Graphics
consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.
All of these
None of these

ANSWER DOWNLOAD EXAMIANS APP

Automation System
Relay ladder logic is used in a PC because:

most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use
it is the best industrial control language ever developed.
All of these
it is impossible to write a control program for a machine in any other logic
None of these

ANSWER DOWNLOAD EXAMIANS APP