Automation System
Skipping every other line and picking up the skipped lines on the second pass is called:

None of these
stroke writing
refresh-vector
interlacing
raster-scan

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Automation System
A stepping motor;

is a good choice where continuous rotation is needed
has a speed proportional to voltage input
None of these
has a commutator
can index positional movement.

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

grouping the phosphor dots in a circular pattern
None of these
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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