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

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

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Automation System
The robot:

None of these
All of these
represents the most powerful new industrial automation tool currently on the horizon
will be more useful when robot vision is improved significantly
is very primitive at the present

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Automation System
A process controller:

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

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