4. 1. What is Information Technology ?
Information Technology (IT) is the application of computers and
telecommunication technology to obtain, process , store, retrieve & transmit
data, in the form of voice , pictures or text or often in the context of a
business or other enterprise.
IT can do atleast 3 things:
• It can process raw data into useful information.
• It can recycle processed information & use it as data in another processing
step.
• It can pack information in a new form so its easier to understand, more
attractive, or more useful.
5. 1. What is Information Technology Revolution ?
Information Technology Revolution or simply I.T. Revolution is the
remarkable changes brought about by information technology in
various fields like Education, Entertainment, Business, Medical &
Lifestyle etc.
6. ROLE OF IT IN EDUCATION
Access to variety of learning resources
Immediacy to information
Anytime learning ,Anywhere learning.
Multimedia approach to education- eg. E-Class ,E-Learning, Educom.
Authentic and up to date information
Access to online libraries
Teaching of different subjects made interesting.
8. Role of IT in Environment:
Remote Sensing and GIS (Geographic Information System) provides data and
knowledge concerning the global environment as it is used for mapping and
monitoring various natural resources.
IT is used for computer based modeling and simulation of environmental
scenarios for analysis and prediction of climate change and weather.
IT enables environmental scientists and researchers around the world to
communicate, collaborate and coordinate.
9. Role of IT In Business
Role of IT in Business
IT plays an important role in business environment as every organisation adopts it
in some form or the other to perform the tasks in effective manner.
E-Commerce includes buying & selling products and services over the internet,
electronic fund transfers, smart cards, digital cash & all other ways of doing
business over digital networks.eg- Flipkart.com , Amazon.com are examples of E-
Commerce.
IT HAS EFFECTED BUSINESS IN FOLLOWING WAYS:
• COMPETITIVENESS SECURITY
• COST BENEFITS
• MARKETING
• E-RECRUITMENT.
10. Role of IT in Defence & Military Services
Information technology in defence services help the military to improve
readiness & response. More flexible, timely & dependable access to
information is needed.
IT capability allows military personnel to literally converse with
computers to create , access & manage information & solve problems.
11. Role of IT in E-Governance
Government Forms available online for easy downloading.
Registration of birth and death online.
Land records management and information.
Drivers Licensing application online.
Application for Passport online.
Application admission to government education institutions online.
12. Role of IT in Human Health & Medicine
IT can be used for audio, visual and data communications for medical
consultation, diagnosis, treatment, nursing and medical education.
IT is used for testing of DNA, creating DNA database and genetic
information about population. Medical records and finger prints which
are used by investigating agencies to identify missing persons and criminals.
Better control of and monitoring of epidemics and spread of disease (HIV,
Malaria, Swine Flu).
13. Role of IT in Transport
Online Movie Booking eg-BookMyShow.com.
Online Railway And Airline Booking. eg- Indianrailway.gov.in , Yatra.com
Online traffic updates & Information about the schedule of Trains, Buses
and airlines are now easily available on the internet , thus making
passengers comfortable about their journey. Eg- M-indicator.
