Automation System
A solenoid:

None of these
is widely used in industrial automation
can be used only in de circuits
is related to an aneroid
is spring operated

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Automation System
A flip-flop:

remembers what was previously stored in it
is a combinational logic device
None of these
(a) and (c)
is a sequential logic device

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Automation System
A process controller:

All of these
None of these
can interface to digital and analog I/O
can solve a PID process control equation easily
is useful in a continuous process control application

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Automation System
High-level languages:

are "procedure-oriented"
None of these
cannot be used with automatic systems.
are very difficult to use
require knowledge of the computer design

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