Helpline for High School Students on CBSE's Everything!
Please comment for doubts/queries regarding Class IX and X Unit Test scheduled on April 30, 2013.
Please allow atleast 1 hour for us to respond.
will there be questions related to web browsers and blogs?
No, only Internet History, internet services, internet backbone.
we say that airtel is a MNC company but it is working as an ISP bcoz it earns money by sharing internet.Isn't it??
Yes its both mnc and isp
how were privates companies connected to arpanet and nsfnet?
When arpanent removed their hardware and server data from Internet and allowed private companies to setup their servers.
diffentiate DSL and dial-up connections
dial-up services uses your phone line and a modem.while using it you cannot make phone calls. DSL also uses your phone line but you can still get and do phone calls