Automation System
A set of well-defined procedures based on mathematical and geometric formulas for solving a problem in a finite number of steps is called:

a permutation
arithmetic logic
an algorithm
None of these
a geometric model

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

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

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