Automation System
Actuators are used to:

activate a chemical
make a mechanical movement
None of these
sense an object
All of these

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Automation System
High-level languages:

are "procedure-oriented"
are very difficult to use
cannot be used with automatic systems.
require knowledge of the computer design
None of these

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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 separate signal
having each electron gun controlled by a composite signal
using an in-line gun arrangement with a solid metal mesh

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