DATA COMMUNICATION

We all are acquainted with some sorts of communication in our day to day life. For communication of information and messages we use telephone and postal communication systems. Similarly data and information from one computer system can be transmitted to other systems across geographical areas. Thus data transmission is the movement of information using some standard methods. These methods include electrical signals carried along a conductor, optical signals along an optic...

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If anyone opens Microsoft Office  ( Word, Excel, PowerPoint) application more than one , they are shown in the taskbar. But If anyone want to add a tab in office tools, they can download  http://hi.baidu.com/officecm/  (1.33mb). Installing it on your PC, you will see, if you open office application more than one, they will be shown in a tab.

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