Cable Internet connections, 599–600, 604
Cable modems, 194
Cable Select setting, 141
Cables
cable testers, 7
coaxial, 561–562
crossover, 195, 564, 603
described, 549–550
dongles, 223–224, 839
fiber-optic (10BaseFL), 564–565
MM fiber optics, 565–566
for networks, 195, 566
null modem, 564
parallel ports and connectors, 502, 552–553
Serial ATA, 532
serial ports and connectors, 553–554
SM fiber optic, 565–566
STP (Shielded Twisted Pair), 562
testing, 7
thicknet (10Base5), 561, 566
thinnet (10Base2), 561–562, 566
TP (Twisted-Pair), 562–564
UTP (10BaseT) cable, 562–564, 566
See also Connecting; Connectors
Cache memory
buffers, 133
described, 86
hard drives and, 133
levels, 423, 442, 445
on motherboard, 396
CAD/CAM (Computer-Aided Design/Computer-Aided Manufacturing), 512–513, 836
Call waiting and Internet service, 242
Calling cards, 232
CallWave, 242
Carbon dioxide (CO2) fire extinguisher, 404
Card creep, 431
CAS latency, 117
Cases
accessing components, 98–100
components, 96–97
described, 4, 95
drive bays, 96
form factors, 98
opening, 98–100
quality of, 97–98
replacement of, 100
CCDs (Charge-Coupled Devices), 478, 836
CD command, 311, 334, 630
CDFS (CD-ROM File System), 540
CD-R (Compact Disk Recordable), 540, 836
CD-ROMs (Compact Disk ROM)
connection to sound cards, 479
described, 539–540
drives, 5, 161–163
read failures, 169
scratch repair, 8, 168
speed of drive, 163
using included, 829–832
Windows 2000 installation from, 717
Windows XP installation from, 769
CD-RW (Compact Disk Rewritable), 5, 540, 836
Celeron processor, 428
Central processing units. See Processors/CPUs
Centronics connectors, 552–553, 560
Certificates, Internet and, 239
CGA (Color Graphics Adapter), 493, 495, 837
CGI (Common Gateway Interface), Windows ME, 784
CHDIR command, 311, 334
CheckIt (SmithMicro), 256
Chip creep, 431, 442
Chipsets
built-in chipset controllers, 424–425
described, 67, 423–424
manufacturers, 38–39
super I/O controller, 424
Chkdsk applet, 56–57
CHKDSK command, 150, 311–312, 334, 633–634
Churning, 118
Circuit boards, cleaning, 403
Circuit gateways, 603
Cleaning. See Maintenance
Cleanup command, 53
Client/Server networks, 586–587
Clock
bus speed, 422
RTC, 424, 465
Close Program (9x), 48–49
CLS command, 312–313, 334
Clusters, 130
CMD command, 313, 619
CMOS (Complementary Metal Oxide Semiconductor) settings, 405–406, 837
CNR (Communication Network Riser) cards, 412–413, 837
Coast socket, 396
Coaxial cables, 561–562
Color depth, CRT, 175–176, 492, 493
COM devices
IRQs, 465
memory addresses, 468–469
serial mouse, 473
serial port and connectors, 553–554
COM ports, 46, 188
COMMAND command, 313
COMMAND.COM, 619–620
Command interpreter, 619
Command prompt
command overview, 58–59, 305–306
copying text from, 306–307
hard drive control and, 136–138
paths, 60, 309
using DOS and Command prompt commands, 60–61
web address for command-line tutorials, 61
Comment indicators, 307
Communications, asynchronous/synchronous, 551
COMP command, 313–314
CompactFlash memory, 451
Compatibility mode, parallel communications, 502
Components
adding or removing, 23
built-in (onboard) motherboard components, 75–76
quality of, 9–10
risks to, 10–11
Compressions, Windows 2000, 731
CompTIA A+ certification exams
A+ Core Hardware exam objectives, 361–375
A+ Operating System exam objectives, 375–385
adaptive testing, 388
book structure and sample review questions, 390
conventional testing, 387–388
preparing for, 388–390
pricing, 385
registering for, 385–386
test site requirements, 386
upgrade for 2003, 360–361
CompuServe connections, troubleshooting, 249–250
Computer Management, access to tools through, 19–20, 726–727
Computer Name, 27
CONFIG.SYS, 54, 454, 620, 621–623
Configurations, last good, 277, 691, 723
Connecting
digital cameras, 480
Firewire (IEEE 1394) devices, 558–559
keyboards, 94, 396, 398, 399, 471, 554–555
laptops to docking stations, 482
modems, 190, 475–476
monitors, 490, 501, 555–556
mouse/pointers, 472–474, 554–555
parallel port devices, 502, 552–553
PDAs, 480–481
scanners, 478
serial port devices, 553–554
sound cards, 479
touch screens, 474
USB devices, 557–558
wireless devices, 566–573
Connections Page, Internet Options settings, 240
Connectors
AUI (Attachment Unit Interface), 561
BNC, BNC-T, 561, 589
described, 549–550
Firewire (IEEE 1394), 558–559
hard drive, 528
IDCs, 566
keyboard and mouse, 94, 396, 398, 399, 471, 554–555
keyed, 397
male/female, 549
memory modules edge, 446–447
motherboard, 68–74, 396, 398, 533
parallel printer, 396, 398, 550, 552–553
serial, 396, 398, 533, 550, 553–554
sound card, 550
ST- and SC-type, 565
twisted pair, 564
USB, 411, 550, 554–555, 557–558
VGA, 501
video, 555–556
See also Ports
Contact information, for computer manufacturer, 27
Content Advisor setting, 238
Content Page, Internet Options settings, 238–239
Control Panel. See Windows Control Panel
Controllers, 423–425
Conventional memory, 453, 635
Conventional testing, 387–388
CONVERT command, 137, 314–315
Converting binary, decimal and hexadecimal numbers, 461–463
Cookies, 237–238, 779–780
Cooling. See Heat dissipation
Cooperative multitasking, 618
Copier and MFDs, 510–511
COPY command, 315–316, 334, 630
Cords, power cords, 100
CPUs. See Processors/CPUs
Cradles and PDA synchronization, 481
Crashes
hard drive, 152, 297
system, 265
Crossover cables, 195, 564, 603
CRTs (Cathode Ray Tubes)
defined, 838
degaussing, 491
dot pitch, resolution, and color depth, 491–492, 500–501
interlaced vs. noninterlaced, 494
monochrome and color, 491
refresh rates, 492–495, 500
shadow mask, 491
VRAM requirements, 494–495, 500
See also Monitors
CSMA/CD (Carrier Sense Multiple Access/Collision Detection), 582, 589, 838
Current, electrical, 401
Cylinders, hard drive, 130
Cyrix processors, 427–428