Explanation:
Wikis are defined as a form of a website or web page or a database where the users can work on the data, they can even add or edit the data. Wikis use a very quick as well as a easy syntax that allows the users to format the text and create various links between the pages. The users need internet browsers for that.
One of the main advantage of wiki is that it provides ability to collaborate asynchronously, and also without time constraints.Besides it also provides a beneficial function of something. It is free and not expensive.
What do you mean please reply to this comment with a question.
Digital signals (usually binary coded) can include extra information that can be used for error detection or even correction. This allows recovery of the original signal, either by requesting retransmission or by directly correcting the error.
<span>analog signals can't include any extra information needed for this purpose. it is impossible to distinguish an error from the original data.
cited:</span>http://www.answers.com/Q/Which_has_greater_resistance_to_transmission_errors_Binary_signaling_or_Ana...