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Computer Science - Automation System

Exercise : Automation System - Section 5
21.
Which of the following is often used as an alternative to the light pen or in association with storage tube displays?
Digitiser
Track ball
Mouse
Tablet
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The general CAD system was development by considering a wide range of possible uses of such a system.
Mechanical engineering design
Animation and graphic design
Structural engineering design and Electronic circuit design
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Relay ladder logic is used in a PC because:
it is impossible to write a control program for a machine in any other logic
it is the best industrial control language ever developed.
most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The "end-effector" of a robot:
can be an actual tool
is the robot "hand"
may have a gripping action
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The program execution time:
must be slower than the fastest mechanical operation that is to be controlled
will vary depending on the language used
cannot be changed once the program is written
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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