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Web Programming




                    Notes          Self Assessment

                                   Fill in the blanks:
                                   12.  JavaScript can be used to validate data in HTML forms before sending off the content to a
                                       ………………...

                                   13.  If the required field is blank, an ………………... alerts a message and the function returns
                                       false.
                                   14.  ………………... validation is more secure but often more tricky to code.

                                   15.  ………………... is the process of checking that a form has been filled in correctly before it
                                       is processed.


                                     

                                     Caselet     IT is India’s Tomorrow

                                           HE Grameen phone scheme in Bangladesh provided one cellular phone each to
                                           10,000 villages for community use. Kerala’s fishermen bargain rates for their catch
                                     Tusing mobiles they carry out to sea. An Internet bus goes about with 20 computers
                                     in Malaysia, “bringing a new world of information and learning opportunities to school
                                     children in rural communities”. And Dr Devi Shetty, a cardio-surgeon in Bangalore, is
                                     connected to 27 districts in the state and also to West Bengal and Assam for consultation.
                                     Is there a correlation between Information and Communication Technology (ICT) usage
                                     and economic  growth? Yes,  says Vinod  Vaish  in  his  foreword  to The  Great  Digital
                                     Transformation by D.K. Ghosh, from Sunrise Publications (sunrisepublications@front.ru).
                                     “The intensive application of ICTs has enabled emergence of a new company characterised
                                     by high productivity, efficient markets, innovations in products and services, technologies,
                                     business models and organisational structures.” The book, subtitled `a saga of sustainable
                                     development’, notes that the South Asian countries are a fertile group to cooperate on ICT
                                     implementation because  of their  geographic continuity,  common historic  experience,
                                     close cultural and linguistic environment and so forth.

                                     Peter Drucker’s book Management Challenges for the 21st Century is cited in a chapter
                                     that begins with a new definition of IT by the Prime Minister, Atalji - as ‘India’s tomorrow’.
                                     But Drucker had a different explanation: That for almost four decades people thought IT
                                     meant merely T - that is, data processing using a computer; the significance of I in IT came
                                     much later. The enquiry is “leading rapidly to redefining the tasks to be done with the
                                     help of information and, with it, to redefining the institutions that do these tasks.”
                                     The Malaysian Model, dealt with in a separate chapter, discusses the ‘Multimedia Super
                                     Corridor’ (MSC) - a forum for “new roles of government, new cyber laws and guarantees,
                                     collaborations  between  government  and  firms,  companies  and  companies,  new
                                     broadcasting, new types of entertainment, education and delivery of healthcare.” Ghosh
                                     delves into something philosophical when laying down what are desirable as features in
                                     an international telecom order: “open, flexible, and competitive; user, rather than operator-
                                     oriented;  containing  an  element  of universal  service  both  at the  domestic and  the
                                     international level; and economically efficient.” But there is a telecommunications gap; it
                                     has three main dimensions. “The international gap, qualitative and technological gap,
                                     and the domestic gap.”
                                                                                                         Contd...





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