Williams, Brian K

Using information technology : a practical introduction to computers & communications / Brian K. William, Stacey C. Sawyer -- New York : Mc Graw Hill , 2007

564 p.; 27.5 cm

ISBN:  9780073516752

1. Computers  2. Telecommunication Systems  3. Information Technology 

I. Sawyer , Stacey C 

004 WIL