The applicant of Information technology in library and Information centers has expanded in the western countries since the 1940’s. In the 1960’s the product of Information technology has been risen in the developing countries and that too is in several stages. The rapid expansion of Information and communication technology has followed a specific impact on the method of Information acquisition, Processing, Storing & dissemination of Information. The fabrication of the Internet has imagined a extensive change in the scenario of library and Information services. Due to this impact of Information technology, it has created challenges and opportunities for the Information professional around the world. The shock of Information Technology is very large for the library and Information work. University libraries have sustained rapid transformation upon the introduction of latest technologies from the vintage conventional method which is shown in the form of table 1. Advantages: There are various leverage of Information Technology. Some critical standpoint are mentioned below : • simple to gather several library resources • Collaboration & creation of Library network • Avoids time-consuming effort done by the librarian • Increases the range of services offered • Less time consuming • Efficiency can be increased • Easy & speedy access to Information • Improves the quality of library service • Increases in the knowledge & experience • Integration within the organization • Improvement in the status of libraries • Improvement in the communication facilities • inaccessible support by users • 24x seven service check be offered • Access to unlimited Information from different sources • More up to date Information • The flexibility of Information to the users • Workload reduce of library staff • Combining data from different sources Kumar (2003) has rightly indicated the consequence in regards to IT used in the libraries. He has underlined the different Information activities by some conventional methods and adoption of new technology. Sl. No knowledge activity traditional method current Technology 1. Generate, originate Writing, Typing Word processing, Text editing, Character recognition, voice recognition. 2. Preserve, outlet Manuscript, Paper print media Electronic publishing, alluring storage, Videotext, Tele-text, Computer disk, Rom 3. Process Classification, Cataloguing, Indexing Electronic data processing, Artificial intelligence, Expert system 4. Retrieval Catalogues, Indexes Database management system ,Information retrieval off-line, On-line. 5. Disseminate/ convey List, Bibliographies, Abstracts, Hard issue Electronic mail, Electronic document delivery, Computer conferencing, Telefacsimile, View data 6. demolish Physical weeding Magnetic eraser, Optical erasers, Reuse the medium Table1 : growth in Information activities (Kumar, 2003) Disadvantages: Though this keep be ignored, a scarce standpoint can be raised as disadvantages factors on the use of IT in the libraries. They are: • paucity of repeated LIS skillful to handle IT devices; • manufacture cost; • Other recovering expenditure; • paucity of infrastructure and above all ; • Rapid growth and development of IT devices and their implementation in the automated environment. facts Technology beatened Library Services : advice technology has shiftinged the function of the library. University libraries are using the Information technology to increase the efficiency and effectiveness of their day to day library work and services. Acquisition, cataloguing, circulation or involving are the works connected with library services. These train cover the administrative services, technical services, reader services, and specific services. Administrative use introduce the budget preparing and administrating; selecting, superintending and practice staff; library development planning; course and procedures generating and supervising. The operation of acquisition, cataloguing, classification and circulation works succumb in technical services. Readers’ use involve the reference & Information services and documentation services. These sample of services check be managed with the help of integrated library automation software. The influence of Information technology can be seen in the following readers’ services. a. Selective publication and Information (SDI) Services: multiple methodology is taken to address the current development on the internet especially the web Information overload. The advice retrieval has conform synonymous with browsing which can be stated as the inability to search the required bit of Information. The ranking is used as the most crucial story of every search engine which emphasizes only on its feeble point, high retrieval ratio, and low precision ratio. The fibre environment serves facilities where the end user can subscribe to the SDI services which have the equal SDI features found in the online commercial vendor system. In the intelligent agents which address the personal Information needs of the ends users, it can transform the nature of web browsing and make it personally productive and effective environment for both data-based producers and end users. b. Online Searching: The usual place of Information able work covers online searching. It includes all level of searching from Information broker, who gives services at a fee to that of professional employed in a private company who is paid for online searching and is highly specialized in the subject. The navigator who is to search the internet via Gopher, Archie and the web-can be spoken as an online searching because it is done in the actual mode (i.e. via Transmission control protocol/ internet protocol and client-server architecture). Internet could also be regarded as the fastest development online infrastructure consisting of a wide variety of navigator and search services. These evolution are very crucial in anticipating current and future trends of the online searching environment. The request which are called for learning activities can be browsed online and there is no need to subscribe to the expensive printed journals. The facts which are downloaded can be stored on computers. Many times it happens that the actual data does not resemble the downloaded data due to which the ratio between recall and relevance does not match and for error-free search strategy multi-skill is required. c. Web-based file and Databases: The CD-ROM becomes widely ready in the late 1980’s was established as a medium of true storage and longevity. Due to its advantages, all the place resources were run obtainable through CD-ROM as it has decreased the cost. The place nowadays are testifying another migration to web-based bibliographic databases from bibliographic databases on CD-ROM. The web-based interface provides fast resource to users by using hyperlink and other facilities in the web document from the full-text publisher websites. The CD-ROM version of the bibliographic databases has been migrated to the web-based version and due to which the resources are open for remote users. d. OPAC to difficulty OPAC : The regulated study management software, nowadays, uses web-based interface and has replaced the telnet connection by using the websites instead of telnet links. The webs OPAC are hyperlinked to other file in the database like an author is a hyperlink to all the records to the database for that author. The place websites are rotating themselves into a senior logical gateway for the catalogue and other web-based library resources. The acceptability of web-based interfaces is much known to the users with its graphical and navigational interfaces. e. Digital book Service: The major areas of the digital library involve reference service and imparting training to the library users. Now the librarians use the digital reference format instead of awaiting for the reference desk. The reference librarian also delivers reference services that require deep intellectual understanding which can be delivered through electronically mediated reference services which are available through libraries for other Information centers. The digital reference service provides internet base question and answer services which can be called as ask-an-expert or ask a librarian service which connects individual to specialize person of that particular subject, who are also known as volunteers or mentors, time Information specialist and are affiliated to various libraries virtual reference desk. f. Electronic text Delivery : Electronic request delivery does not want the sender and receiver of Information to be obtainable at the same time. It include give species of option such as creating, editing, storing, retrieving, transmitting and receiving the stored Information when needed. This check be useful to the folks who are working on a large project which is spread over the ·geographical area and wants to communicate with each other. The teaching and delivery cost are comparatively poor for the electronic transfer of Information read to the traditional services such as telex, letter or courier. If some facts are not obtainable in a different system then it can be acquired from other system and can be transmitted to the required users. Videotape, video desk, fascinating tape, CD-ROM etc check be used effectively in an electronic document delivery system for instant and convenient access to the electronic documents. This apparatus is faster read to the online ordering of document where overdue to communication shortcoming, it may take several days before they require documents received by the users. The transmission of Information can be achieved by several means which includes telefax and facsimile transmission which uses a telecommunication link to transmit both textual and geographical materials. ADONIS( radical text over network Information services) is an case of electronic document delivery system and is a consortium of serious European publishers involving Blackwell, Springer-Verlag, Pergamon, Elsevier, Academic and Wiley in association with many governmental agencies and British library documentation supply center. This consortium has a database of about five thousand essential journals which are correlated by back files provided by the publishers. The quality of electronic document delivery system involves dissemination of content, list of periodicals, books monograph etc; supply of ripe text of document requires; online request ordering; automatic document delivery as per specific documents, such as documents on standing order of regular basis and selective dissemination of Information through profile matching. g. Electronic pruning Services: On string of SDI, the clipping services provide able news both in real time and with a periodic update by many database vendors. The person check register the profiles on serious databases to monitor and provide customized services to the customers which include current events company and industry news. The case of pruning services includes passport of data time Alert service of Dialog (Knight- Ridder), CLIP of DOW Jones/Retrieval, News Flash of News net, Eclipse of Nexis, etc. The worldwide appreciated different news active service that is the world news connection is an online use provider developed by NITS (National technical facts service) of US Department of Commerce utilizes ready sources Information from government, private industry, and academician. The customizable news services like custom clips, Forcast, Internet News Alert, News Hound, Heads UP, etc provide only that news which is important and filter the noise to rescue the user from Information overloading. h. Internet Bases Services: The users’ applicant of internet covers some dependent fields like business, commerce, culture, education, research, science & technology, recreation etc. The areas of the internet are limitless and endless. It serves resource to both financial and noncommercial sources which include full-text databases, table of content books and newsletters, electronic and online journals, the library catalogue, e-mail directories etc. The Internet can be used as a means for accessing varieties of Information which includes free software internet news, newspaper electronic shopping merchandise clip ware etc. Wealth of Information for the University libraries is served by the internet. It includes acquisition, reference services, price verification, clarification regarding price exchange rates can be done by the internet. The internet has risen the concept of digital villages that have no location yet they connect individuals and shares equitable and interest. The most effective person of the internet are the scholars who have various discussion forums which use e-mail, e-journals for debating and sharing their ideas.
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