Find out the odd one

To access a website, first double click on the ____________

Which one of the following is a web search engine?

___________ is used as the communication protocol to transport hypertext documents over the internet.

The web pages are connected with one another using ___________

The top level domain of United States Federal Government entities.

The computer on the internet that stores web pages is called ___________

To attach a file, click on the ____________ option in the compose window.

The top level domain used by miscellaneous organisations that don't fit any other category,such as non profit groups.

_____________ option is used to forward a mail.