Automation System
High-level languages:

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

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Automation System
A venturi tube:

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

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

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
None of these
using an in-line gun arrangement with a solid metal mesh

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Automation System
D/A (digital to analog) conversion:

None of these
results in a binary code as the final output
both (b) and (c)
must be fed through a filter to reproduce the original signal accurately
has to be sampled at 1/2 the highest input frequency

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