Answer:
PLCs (Programmable logic controller) were original designed as replacement for relay control panels. Relay is another word for a switch. Relay control panels were made for the control of electronic instrumentents or devices. Later on PLCs were made to replace these timers and relay control panels. PLCs are more reliable, flexible and can work better in the harsh environmental situations then the relay control panels.
Answer:
Comparison View
Explanation:
Google Analytics visualization allows to visualize website’s data in several ways which gives better understanding about what is happening on the website and how people are becoming involved in website's content.
The Comparison View compares specific Google Analytics metrics against the website average. It is a good visualization option to compare data with each other. It is easier to compare the performance of the page against the website average to get quick understanding of which pages perform well above or below the website average for metrics like average, percentage of exits, avg time spent on page, bounce rate of a page compared to website average.
Answer:
![403_{10}](https://tex.z-dn.net/?f=403_%7B10%7D)
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Answer:
Yes.
Explanation:
You can't change the grade, but you can see your <em>what</em><em> </em><em>if</em> scores if you decide to change it.