Answer:
false , those are called passive railways
The answer is A. For instance, to use the sum function, you would need to =SUM()
<em>Answer:</em>
<em>There are three main types of secondary storage in a computer system: solid state storage devices, such as USB memory sticks. optical storage devices, such as CD, DVD and Blu-ray discs. magnetic storage devices, such as hard disk drives.</em>
<em>Explanation:</em>
Answer:
Option 3 i.e., Z-Wave.
Explanation:
The Z-Wave device should be purchased by the company because It is a standard for connectivity, used mainly for smart home devices that use the 2.4 GHz RF band and this is also that device which the company wanted for the 50 meters away from the base station.
So, It is a device should be purchased by the company.
Other options are incorrect because those devices not accomplish the following requirements.
