Kernighan, Brian W. Understanding the digital world : what you need to know about computers, the Internet, privacy, and security / Brian W. Kernighan. - Princeton, NJ : Princeton University Press, 2017. - xv, 237 pages : color illustrations ; 27 cm. Includes bibliographical references and index. ISBN: 978 0691176543 Hb. Bp. Subjects--Topical Terms: Computer science--Popular works. Computer networks--Security measures--Popular works. LC Class. No.: QA 76 K47 2017 CIRC