Automation System
A flexible manufacturing system may be:

expensive to alter
All of these
an automated assembly line
None of these
very difficult to change when new products are introduced

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Automation System
Vision sensors:

can not improve much in the next decade
will remain very costly
will more closely match the capabilities of the human eye
None of these
All of these

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

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

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Automation System
Digital signals:

have a frequency measured in units of hertz
are assigned values of 1 or 0 depending on the voltage level
have a sinusoidal shape.
None of these
can have three possible levels

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