<span>One system of lens - ocular microscope Two systems of lens - compound microscope
Some of the parts of a compound microscope are the </span>eyepiece lens.<span> There are two knobs on under the other to one side of the microscope which are used for </span>Coarse focus and Fine focus. There is an illuminator<span> at the bottom of the microscopic stand, which sheds a powerful light on the subject under the lens. Other parts include </span>objective lenses<span>, </span>stage with stage clips<span> (where the subject is placed) and r</span>evolving nosepiece. The tube<span> connects the eyepiece lens to the </span>turret<span>.</span>
The answers are: an IP datagram, and 3 forwading tables.
Explanation:
An IP datagram sent from a source host to a destination host will travel through 8 interfaces. 3 forwarding tables will be indexed to move the datagram from source to destination.
In this type of communication we have inter personnel communication mediated through computers such that there is more scope for textual messages than face to face communication.