Automation System
How is the integral mode implemented on a digital controller?

the digital controller cannot handle integral mode
the error is divided into discrete amounts
the error signal is summed over a discrete time interval and accumulated by the controller
All of these
None of these

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Automation System
High-level languages:

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

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