TY  - BOOK
AU  - O'Leary, Timothy J.
AU  - O'Leary, Linda I.
TI  - Computing essentials.
SN  - 139780073516677
AV  - QA76.5.O428 
PY  - 2007///
CY  - Boston
PB  - McGraw Hill
KW  - Computing
N1  - Includes index; Contents: Information technology, the internet, and you -- The Internet, the web, and electronic commerce -- Basic application software -- System software -- The System unit -- Input and output -- Secondary storage -- Communications and networks -- Privacy and security -- Information systems -- Databases -- Systems analysis and design -- Programming and languages -- Your future and information technology -- The Evoluton of the computer age -- The Buyer's guide: how to buy your own microcomputer system -- The Upgrader's guide: how to upgrade your microcomputer system
ER  -