Please note that index links point to page beginnings from the print edition. Locations are approximate in e-readers, and you may need to page down one or more times after clicking a link to get to the indexed material.


/ (forward slash), 666

| (pipe) command, power of, 664

! error symbol, expansion cards, 257–258

* (asterisk), wildcards, 675–677

? (question mark), wildcards, 675–677


1G (first generation) cell phone data services, 996–997

2-D sprites, 3-D games, 846

2-in-1 subnotebooks, 1049

2:1 speaker system, 446

3-D graphics

3-D video cards, 827, 848

DirectX and video cards, 848–850

installing/configuring video, 844–850

3-D headsets, 854

4-pin bus-powered connector, FireWire, 419

4:3 aspect ratio, monitors, 802

4K Ultra ...

Get CompTIA A+ Certification All-in-One Exam Guide, Ninth Edition (Exams 220-901 & 220-902), 9th Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.