quartz oscillator, system crystal in CPU clock, 203–204
question mark (?) wildcard, 798
questions, tech role in elicting answers, 27–29
Quick-and-Dirty Operating System (QDOS), 776
Quick Launch toolbar, in Windows XP and Vista, 103–104
QWORD values, in Registry subkeys, 634
R
RA (router advertisement) messages, IPv6 addresses and, 1032
radio frequency identification (RFID)
hardware authentication devices, 1334
physical area security, 1329
radio frequency interference (RFI), 33–34
radio frequency (RF)
antennas and, 1079
Wi-Fi and, 1066
radio, Internet radio, 1154
radio waves
security consideration in determining level of radio power, 1064
wireless networking and, 1055
RAID (redundant array of independent disks)
CMOS settings, 443
creating RAID ...
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