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Introduction to Information Technology


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Table of Contents

  • Preface
  • 1. Data and Information
  • 2. Acquisition of Numbers
  • 3. Acquiring Text and Image Data
  • 4. Acquiring Audio Data
  • 5. Acquisition of Video
  • 6. Data Storage
  • 7. Central Processing Unit
  • 8. Computer Networks
  • 9. Output Devices
  • 10. Computer Software
  • 11. Data Organization
  • 12. Processing Numerical Data
  • 13. Processing and Displaying Textual Data
  • 14. Processing Multimedia Data
  • 15. Some Internet Applications
  • 16. Business Information Systems
  • 17. Electronic Commerce
  • 18. Societal Impacts of Information Technology
  • Suggested Further Reading
  • Index

About the Author

V. Rajaraman, Ph.D. (Wisconsin) is Honorary Professor in the Supercomputer Education and Research Centre, Indian Institute of Science, Bangalore. Earlier Prof. Rajaraman was Professor of Computer Science and Electrical Engineering at IIT Kanpur (1963-1982), Professor of Computer Science, Indian Institute of Science, Bangalore (1982-1994) and IBM Professor of Information Technology, Jawaharlal Nehru Centre for Advanced Scientific Research (1994-2001). A pioneer in Computer Science, education and research in India, Prof. Rajaraman was awarded the Shanti Swarup Bhatnagar Prize in 1976. He is also the recipient of Homi Bhabha Prize by UGC, Om Prakash Bhasin Award, ISTE Award for excellence in teaching computer engineering, Rustom Choksi Award, Zaheer Medal by the Indian National Science Academy, Padma Bhushan by the President of India in 1998, and Lifetime Contribution Award by the Indian National Academy of Engineering in 2005. He was awarded D.Sc. (h.c.) by IIT Kanpur and Bengal Engineering and Science University, Shibpur. An author of several well-established and highly successful computer books, Prof. Rajaraman has published a large number of research papers in reputed national and international journals. (A detailed biodata of the author may be found in

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