Automation System
In raster-scan colour monitors, colour can be intensified by:

having each electron gun controlled by separate signal
None of these
grouping the phosphor dots in a circular pattern
using an in-line gun arrangement with a solid metal mesh
having each electron gun controlled by a composite signal

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Automation System
Numerical control:

is a method for controlling the operation of a machine by means of a set of instructions
is a method for producing an exact number of parts per hour
applies only to milling machines
All of these
None of these

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Automation System
A process controller:

can solve a PID process control equation easily
is useful in a continuous process control application
can interface to digital and analog I/O
All of these
None of these

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