Automation System
An encoder:

converts a binary number to a decimal number.
is used to send telegraph signals
can have only four keys
None of these
converts an input to a binary number

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Automation System
A common data base is one requisite for converting CAD and CAM to CIM. Another is that:

None of these
technical assistance must be provided to the user.
the system must make provision for new techniques.
the user must have access to both hardware and software
there should be a common 3-D part description system.

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Automation System
Vision sensors:

None of these
will more closely match the capabilities of the human eye
can not improve much in the next decade
All of these
will remain very costly

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Automation System
A solenoid:

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

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