Automation System
High-level languages:

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

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Automation System
Light sensors:

work in direct sunlight
never use infrared light as light source
None of these
cannot be used a s limit switches.
come in a wide variety of mounting styles

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Automation System
An operating system:

provides ability for other programmers to understand the software structure
can help reduce software development time
is useless in most control applications
None of these
All of these

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Automation System
Microcomputer-based control sys-tems

None of these
will just keep their present capability
will tend to increase in cost.
will have more standard industrial application software available in the future.
All of these

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