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

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

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Automation System
An operating system:

can help reduce software development time
None of these
is useless in most control applications
provides ability for other programmers to understand the software structure
All of these

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