1. 互联网：
互联网是一个全球连接的网络系统，通过个人、公共、商业、学术和政府网络的庞大集合促进全球通信和数据资源的访问。它由建立通用协议的互联网号码分配机构(或 IANA)等机构管理。
2. 万维网(WWW)：
万维网(WWW)，简称万维网，是领先的万维网(全球计算机网络)信息检索服务。在线使用户能够访问大量文档，这些文档通过超文本或超媒体链接相互连接，即超链接、链接相关数据的电子连接，以便用户快速访问它们。超文本允许用户从文本中选择一个词或短语，从而访问包含有关该词或短语的附加信息的其他文档。
互联网和万维网的区别：
| S.No. | INTERNET | WWW |
|---|---|---|
| 1 | Internet is a global network of networks. | WWW stands for World wide Web. |
| 2 | Internet is a means of connecting a computer to any other computer anywhere in the world. | World Wide Web which is a collection of information which is accessed via the Internet. |
| 3 | Internet is infrastructure. | WWW is service on top of that infrastructure. |
| 4 | Internet can be viewed as a big book-store. | Web can be viewed as collection of books on that store. |
| 5 | At some advanced level, to understand we can think of the Internet as hardware. | At some advanced level, to understand we can think of the WWW as software. |
| 6 | Internet is primarily hardware-based. | WWW is more software-oriented as compared to the Internet. |
| 7 | It is originated sometimes in late 1960s. | English scientist Tim Berners-Lee invented the World Wide Web in 1989. |
| 8 | Internet is superset of WWW. | WWW is a subset of the Internet. |
| 9 | The first version of the Internet was known as ARPANET. | In the beginning WWW was known as NSFNET. |
| 10 | Internet uses IP address. | WWW uses HTTP. |