TY - BOOK AU - Gary B. Shelly TI - Discovering computers: your interactive guide to the digital world SN - 9781111530488 (pbk) U1 - 004 PY - 2012/// CY - Boston PB - Cengage Learning KW - Computer science KW - Computers KW - Internet KW - Programming KW - Computer networks KW - World wide web KW - FC N1 - Includes appendices & index ER -