Automation System
Which of the following editor(s) is(are) incorporated into general CAD system?

All of these
Point Editor
Macro and symbol Editor
Line Editor
None of these

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Automation System
Digital signals:

None of these
have a sinusoidal shape.
can have three possible levels
are assigned values of 1 or 0 depending on the voltage level
have a frequency measured in units of hertz

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Automation System
The program counter:

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

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