Automation System
Robot motion:

is not dependent on the robot structure
None of these
usually imitates human motion
is the same for all robots
All of these

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Automation System
Digital signals:

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

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Automation System
The program counter:

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

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