Explain the difference between synchronous and asynchronous communication. Descr

Question

Explain the difference between synchronous and asynchronous communication. Describe two collaboration tools that can be used to help set up synchronous meetings and two collaboration tools that can be used for asynchronous meetings.

Explain the difference between content management and workflow control and provide an example of a sequential workflow.

Name three levels of decision making, and give an example of each. Explain how the need for collaboration changes among decision levels and decision processes.

Explanation / Answer

Synchronous= syn+ chrono = togetherness in time. So, the two or more communication system agree to be together in time to the change in signals or data.That means they should share the same clock speed.
In asynchronous systems, the cock information is contained in the data block itself in the form of start and stop bits and hence the receiving system can adjust itself to that speed,any speed. Async systems are serial in nature and the former can be either serial or are mostly parallel.

Some of the methods used in synchronous conferencing are:

In asynchronous serial communication the physical protocol layer, the data blocks are code words of a certain word length, for example octets (bytes) or ASCII characters, delimited by start bits and stop bits. A variable length space can be inserted between the code words. No bit synchronization signal is required. This is sometimes called character oriented communication. Examples are the RS-232C serial standard, and MNP2 and V.2 modems and older.

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