Automation System
A sequence controller:

is difficult to program
performs on/off control functions in relation to time.
is a mechanical only controller
None of these
is no longer in widespread use

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Automation System
High-level languages:

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

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Automation System
The main function(s) of computer in CAD is/are

To serve as an extension to the memory of the designer
To relieve the designer from routine repetitious tasks.
All of these
To enhance the analytical and logical power of the designer
None of these

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