Automation System
The main activity(ies) of Designer in CAD is/are:

Organisation of design information
Application of creativity, ingenuity, and experience.
None of these
Control of the design process in information distribution.
All of these

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Automation System
A stepping motor;

has a commutator
has a speed proportional to voltage input
is a good choice where continuous rotation is needed
can index positional movement.
None of these

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Automation System
The program counter:

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

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