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6. 

Automation normally means:
A. a net loss of jobs.
B. a net increase in jobs.
C. no change in jobs.
D. All of the above
E. None of the above
7. 

Trend analysis:
A. is used only in financial planning
B. can improve control system response
C. requires a very expensive system to implement
D. is a brand new concept
E. None of the above
8. 

The use of specialized workstations:
A. provides limited growth potentials for 3-D
B. reduces the host computer workload and allows more users
C. reduces the host computer workload
D. has a high cost-performance tradeoff
E. None of the above
9. 

What key hardware item ties a CAD/ CAM system together?
A. Mouse
B. Graphics workstation
C. Digitizer
D. Plotter
E. None of the above
10. 

Which of these controller types is the most accurate?
A. Proportional plus integral
B. Proportional
C. Proportional plus derivative
D. Three mode
E. None of the above