"First "

* The first search engine originally name was "archives," but it was shortened to Archie.It was created in 1990 by Alan Emtage

* The first widely-used web browser was Mosaic by Marc Andersen and Eric Bina at the NCSA at the University of Illinois. The first version was written for X-Windows on Unix, and it was later ported to other operating systems.It was developed in the year of 1993. Another web browser Netscape Navigator, in 1994.

• Internet Explorer,    - 1995
• Opera,                  -  1996
  
• Mozilla Navigator,  - 2002
• Safari,                   - 2003
• Mozilla Firefox,     - 2004
• Google Chrome,   - 2008

*The first Operating System was officially introduced DOS later named PC-DOS by IBM. ‘produced’ by Microsoft in 1986

*The first email was  ARPANET email in the year of 1971.(gmail -  2004)