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

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

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Automation System
The program counter:

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

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Automation System
A flip-flop:

None of these
is a combinational logic device
remembers what was previously stored in it
(a) and (c)
is a sequential logic device

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