TY  - BOOK
AU  - _Parker S. Charles 
TI  - _Understanding computers Today and tomorrow(11th ed) Deborah Morley 
SN  - 1418860557
AV  - QA76.5.P318 2007  
CY  - UK Thomson 2007 
KW  - _Understanding computers
N1  - include index; include index
ER  -