Ducks are aquatic birds, found in fresh water and sometimes in sea water. They also reside in artificial lakes and ponds. The ponds are generally shallow, so that ducks can reach to the underground of the pond for food. The University Park at Oxford in England was constructed in 1925 for the ducks to swim. … Read more
You can find not only Textbook Questions , extra questions also only on extramarks.com
It's the noun form of govern. To govern is to rule, to oversee and manage.
Some of the advantages of verbal communication are: 1) the opportunity for immediate feedback to make sure the message was understood; 2) the opportunity to utilize nonverbal cues (tone, body language, inflection) However, there are several disadvantages and the main one is miscommunication. In other words, what the listener hears is often not what is … Read more
An Instance Diagram is a part of the undefined modeling language that one does not see mentioned too often. The basic idea is to make a static snap shot of instances (not classes) in your system or subsystem. Make it show exactly who points to whom.
The moon is our nearest neighbor in space. The moon is a lifeless place. It has no air or water. Its surface is covered with rocks and dust. There are tall mountains and flat plains on the moon. There are also large round ditches called craters. Some of the craters are hundreds kilometers wide. Many … Read more