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

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

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Automation System
Resolution in a CRT refers to:

the number of addressable elements on the tube
the number of pixels in each square centimeter
the number of phosphor dots that react when hit by the electron beam
None of these
the speed at which the monitor can accept data from the computer

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Automation System
An encoder:

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

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