Automation System
Operator interaction directly with the CRT is accomplished via:

None of these
a stylus
vector scanning
a touch terminal
a digitizing tablet

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Automation System
The program counter:

decides which program to run
contains the address of the next instruction to be executed
counts the number of instructions that have been executed
None of these
is where arithmetic is done in a computer.

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

None of these
having each electron gun controlled by a composite signal
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 separate signal

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