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36. 

A sequence controller:
A. is difficult to program
B. is a mechanical only controller
C. is no longer in widespread use
D. performs on/off control functions in relation to time.
E. None of the above
37. 

Having compatibility and commonality in and between vendors' equipment is called:
A. registration
B. standardization
C. integration
D. networking
E. None of the above
38. 

Programmable controllers:
A. are programmed using relay ladder logic
B. cannot perform functions other than relay logic
C. are widely used in many different industries
D. (a) and (c) above
E. None of the above
39. 

Which of the following are kinds of instructions?
A. Input
B. Arithmetic
C. Conditional branching
D. All of the above
E. None of the above