Understanding Information

  • A. J. Sammes
  • B. L. Jenkinson
Part of the Practitioner Series book series (PRACT.SER.)


In this chapter we will be looking in detail at the following topics:
  • What is information?

  • Memory and addressing

  • Decimal and binary integers

  • Little endian and big endian formats

  • Signed numbers, fractions and floating point numbers

  • BCD and hexadecimal numbers

  • Characters and computer program codes

  • Records, files, file types and file signatures

  • The use of hexadecimal listings

  • Word processing and graphic file formats

  • Archive and other file formats


Prefix Univer tbOc 


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. Atzberger, P. and Zolli, A. (1996) Portable Network Graphics, Trincoll Journal. URL: http://www.trincoll.edu/~tj/tjlO.31.96/articles/tech.html.
  2. Blackstock, S. (undated) LZW and GIF explained. URL: http://excel.riga.lv/encyclopedia/gif.html.
  3. Born, G. (1997) The File Formats Handbook. International Thompson Publishing, London.Google Scholar
  4. Hamilton, E. (1992) JPEG File Interchange Format Version 1.02, C-Cube Microsystems, 1778 McCarthy Blvd, Milpitas, CA 95035, USA.Google Scholar
  5. ISO (undated) ISO DIS 10918–1.Google Scholar
  6. Liebenau, J. and Backhouse J. (1990) Understanding Information — An Introduction. Macmillan Press, Basingstoke and London, pp. 1–3.Google Scholar
  7. Messmer, H.-P. (1997) The Indispensable PC Hardware Book. Addison-Wesley, Reading.Google Scholar
  8. Murray, J. D. and van Ryper, W. (1996) Encylopedia of Graphics File Formats. O’Reilly & Associates, San Francisco.Google Scholar
  9. PKWARE Inc. (undated) Application Notes for PKZIP. URL: http://ftp.pkware.com/appnote.zip.
  10. Schwartz, M. (1997) Elser Wordconvertress.URL: http://wwwwbs.cs.tu-berlin.de/~schwartz/pmh/elser/elser.html.Google Scholar
  11. Schwartz, M. (1997) LAOLA file system. URL: http://wwwwbs.cs.tu-berlin.de/~schwartz/pmh/guide.html.Google Scholar
  12. Unisys (1995) License Information on GIF and Other LZW-based Technologiesy Press Release 1/10/95. URL: http://corp2.unisys.com/LeadStory/lzwfaq.html.Google Scholar
  13. Williams, R. (1996) Data Powers of Ten. URL: http://www.cacr.caltech.edu/~roy/dataquan/.Google Scholar
  14. Ziv, J. and Lempel, A. (1977) A universal algorithm for sequential data compression, IEEE Transactions on Information Theory, 23(3), 337–343.MathSciNetMATHCrossRefGoogle Scholar

Copyright information

© Springer-Verlag London 2000

Authors and Affiliations

  • A. J. Sammes
    • 1
  • B. L. Jenkinson
  1. 1.Department of Informatics and Simulation, Royal Military College of ScienceCranfield UniversityShrivenham, Swindon, WiltshireUK

Personalised recommendations