Index_C

C

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