Automation System
The coordinate system used to describe a workpiece:

is always two-dimensional
changes from part to part
None of these
All of these
is defined with respect to a point on the machine

ANSWER DOWNLOAD EXAMIANS APP

Automation System
Time proportioning control:

a and b above.
None of these
cannot use a TM990 micro¬computer
can be used on a PM550 programmable process controller
is less efficient than normal PID control

ANSWER DOWNLOAD EXAMIANS APP

Automation System
The SKETCHPAD system

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

ANSWER DOWNLOAD EXAMIANS APP