A Web Browser is a software that can be used to browse and display pages available over internet whereas a web server is a software which provides these documents when requested by web browsers. A web browser sends request to web servers for web services etc. and a web server responds to these requests by providing the required documents. Google chrome is an example of a web browser whereas Apache server is an example of a web server.
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The main difference between a 3G and 4G mobile technology is the speed
| 3G, the 3rd generation of wireless mobile telecommunications tech |
4G is the 4th generation of broadband cellular network technology, succeeding 3G. |
| A typical 3G phone can download files at a maximum speed of up to 21Mbps |
4G phone can download files at speeds of upto 1GBps |
