Automation System
Four basic elements are required for an automated machine tool or production process. They are: input interface, memory, output interface and:

None of these
NC tape programming
computer graphics workstation
logic
software

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Automation System
Direct Numerical Control means:

complete elimination of a need for a human operator.
None of these
using one computer to control several machines
using several computers to control one large machine
eliminating computers from the manufacturing process

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Automation System
Trend analysis:

can improve control system response
requires a very expensive system to implement
is used only in financial planning
is a brand new concept
None of these

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