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

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

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Automation System
The robot:

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

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Automation System
Programmable controllers:

cannot perform functions other than relay logic
are widely used in many different industries
are programmed using relay ladder logic
None of these
(a) and (c) above

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