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

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

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Automation System
A venturi tube:

measures the presence of a liquid
None of these
is made only of metal
can be used to measure gas or liquid flow rates
is extremely difficult to use

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Automation System
High-level languages:

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

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