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

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

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Automation System
Direct Numerical Control means:

None of these
using several computers to control one large machine
complete elimination of a need for a human operator.
eliminating computers from the manufacturing process
using one computer to control several machines

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

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

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