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

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

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Automation System
What is the difference between integral and derivative control?

integral control has slower response to an error signal.
None of these
All of these
derivative control does not eliminate offset error
derivative control responds to a change in the rate of change in the error signal

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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
All of these
To enhance the analytical and logical power of the designer
To relieve the designer from routine repetitious tasks.
None of these

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