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What was the 1st killer app in the early days of the Internet?
Ans: Interface Message Processor (IMP) was the packet-switching node used to
interconnect participant networks to the ARPANET from the late 1960s to 1989. It was the first
generation of gateways, which are known today as routers.
What US government Agency was the forerunner of the modern Internet? Why was it created?
Ans: The Advanced Research Projects Agency Network (ARPANET) was an early
packet switching network and the first network to implement the protocol suite TCP/IP. Both
technologies became the technical foundation of the Internet.
Name 3 innovations that made the birth of the Internet possible.
Ans: a. TCP/IP - A proposal was published to link Arpa-like networks together into a socalled "inter-network", which would have no central control and would work around a
transmission control protocol (which eventually became TCP/IP)
b. E-mail client - first modern email program was developed by John Vittal, a
programmer at the University of Southern California in 1975. The biggest technological advance
this program (called MSG) made was the addition of "Reply" and "Forward" functionality.
c. Pc modem - developed by Dennis Hayes and Dale Heatherington, was introduced
and initially sold to computer hobbyists.
What is the contribution of Sir Tim Berners-Lee?
Ans: Created the first web browser and editor. The world's first website,, was launched on 6 August 1991. It explained the World Wide Web concept
and gave users an introduction to getting started with their own websites.
Founded the World Wide Web Consortium at the Laboratory of Computer Science (LCS)
at the Massachusetts Institute of Technology in Boston. He has served as director of the
consortium since then. He also works as a senior research scientist at LCS which has now
become the Computer Science and Artificial Intelligence Laboratory.
What was the main reason why the Internet finally became mainstream?
Ans: E-mail because of the demand created to reach someone who is in another place in
the world, this caused the demand for regular mail to fall and the use of internet mail to rise.