Answer:
Cluster Column Charts.
Explanation:
Clustered column chart:-It displays multiple data series in separate vertical columns. Each series have the same axis labels.Clustered vertical columns thus allow direct comparison of multiple data series.When having three data series you can compare their heights also.So we conclude the answer is Cluster Column Charts.
Answer:
modulator
Explanation:
A modulator is a device that performs modulation.
(Single conversation)
Answer:
False
Explanation:
There are also hackers online
