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18.  Write down the process for transferring data on the Internet.                               [2019]
             Ans.  W h e n   d a t a   g e t s   s e n t   o ve r   t h e   I n t e r n e t ,   it   is   f ir s t   b r o k e n   u p   in t o   s m a l l e r   p a c k e t s   w h ic h   a r e   t h e n   t r a n s l a t e d   in t o   b it s .
                 T h e   p a c k e t s   g e t   r o u t e d   t o   t h e ir   d e s t in a t io n   b y   va r io u s   n e t w o r k in g   d e vic e s   s u c h   a s   r o u t e r s   a n d   s w it c h e s .   W h e n   t h e
                 p a c k e t s   a r r ive   a t   t h e ir   d e s t in a t io n ,   t h e   r e c e ivin g   d e vic e   r e a s s e m b l e s   t h e   p a c k e t s   in   o r d e r   t o   u s e   o r   d is p l a y .
                .   rite short notes on the following:
                   a    eb server
                   b    ial-up
                   c    iFi
              ns.   a      eb server is the principal computer or server that links or stores contents of different websites. It provides
                     data and information to computers on request via Internet.
                      In other words, it can be said that web server is a computer that stores data and runs software that are
                     designed to send web pages in file format when re uested by the web browsers.

                    b   Dial-up is a type of connectivity that uses modem and the telephone lines to connect to the Internet. A
                     modem must be connected to a telephone  not in use for voice calling . It is a commonly used connection for
                     home PCs to connect to the Internet.

                    c      i-Fi   ireless Fidelity  is a network of wireless connection. It is a mode of communication network that
                     is established by radio frequency like that of Bluetooth, but it has more power, resulting into a stronger
                     connection. Wi-Fi is sometimes called ‘Wireless Ethernet’. Wi-Fi connections are commonly established in
                     electronic gadgets including video game console, home networks, PDAs, tablets, mobile phones, i-Pad, i-Pod,
                     etc.    i-Fi enabled device such as a    or     can connect to Internet within a range of   i-Fi  wireless
                     network that is connected to the Internet.
              20.  When data is transferred on the internet,  data  is broken  up into bits of same sized pieces called
                 ................................ .                                                            [2018]
                   a    eader                                   b    acket
                   c     ssembler                               d    ag
              ns.   b
                .    N stands for ................................ .                                           [2018]
                   a    ocal  rea Network                       b    and  rea Network
                   c    ease  rea Network                       d    oop  rea Network

              ns.   a
               22.  Mention three features of Instant Messaging Service.                                       [2018]
              ns.   hree features of Instant Messaging Service:  eal-time Messaging   resence Information and Multimedia Sharing.
                 .   rite the name of the software tool to perform the following operation :
                   a    o edit a  eb  age
                   b    o view the content of a  eb  age
              ns.   a     ext Editor                            b  Web Browser



















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