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Computer Science - Automation System

Exercise : Automation System - Section 1
21.
Semiconductor devices:
are less reliable than electro¬mechanical components
usually have a very short MTBF (mean time between failure)
have a very short infant mortality period
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
A drum timer is a good example of:
an output actuator
an input sensor
a position sensor
a sequence controller
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The formula for memory capacity is:
MC = N/2
MC = 2/N
MC = N squared.
MC -2 to the Nth power
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
How is the integral mode implemented using analog methods?
Op amp and resistors
Op amp and a capacitor
Op amp and an RC network to place the error voltage across the capacitor
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The general type of process found in industry is:
discrete parts
continuous
batch
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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