Automation System
For a type 1 system, the steady-state:

(a) and (c)
error for a velocity input is always zero
input for acceleration input is always non-zero
error for a step input is always zero
None of these

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Automation System
Direct Numerical Control means:

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

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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 user must have access to both hardware and software
the system must make provision for new techniques.
there should be a common 3-D part description system.

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