Hiding data
Subtitle: an introduction to security
By: edited by the Open University
Series: M150. Data, computing and information -- unit 14; Learning about data -- block 3; M150 -- unit 14.; Learning about data -- block 3.
Publisher: The Open University
Published: 2004
Place of publication: Milton Keynes
Language: eng
Number of pages: 51
ISBN-13: 9780749257712