TY  - BOOK
AU  - Anfinson, David
AU  - 
AU  - Quamme, Ken.
TI  - IT essentials: : pc hardware and software companion guide
SN  - 978-981-0697-02-0
U1  - An579 004 2008 
CY  - Singapore
PB  - Cisco Press.
KW  - Operating systems (Computers)
KW  - Microcomputers
KW  - Computer input-output equipment
ER  -