| < Day Day Up > |
|
DACs (Digital-to-Analog Converters), 120, 121, 501
Data Link layer, OSI reference model, 226–227
Database Server, 228
DB-15 connectors, 197–198
DB-25 connectors, 38 (fig.), 40(fig.), 192 (fig.), 194–196
DB-9 connectors, 195–196
DCC (Direct Cable Connection), 444
DDR SDRAM (Double Data Rate SRAM), 85
DEBUG.EXE, 294
Default gateway, 233
DEFRAG command, 293
Defragmentation, 169, 293
Degaussing, 133
DEL command, 289
DELTREE command, 289
DETCRASH.TXT (Win9.x), 309
DETLOG.TXT (Win9.x), 309
Device Manager
resolving IRQ conflicts, 108
Windows 2000, 383–384
Windows 9.x, 316–318
Windows ME, 421
Windows XP, 461
DHCP (Dynamic Host Configuration Protocol), 395, 501
Diagnostics
Diagnostic Startup, Windows XP, 466
utility, Windows NT, 360
Dial-up network
Windows ME, 433
Windows NT, 353–354
Digital cameras, 121–122, 151
DIMMs (Dual Inline Memory Modules)
described, 88, 89, 501
installing, 91–92
sockets, 38 (fig.), 40 (fig.)
DIN keyboard connectors, 41
DIP (Dual In-Line Package) switches, 38 (fig.), 41, 84
DIR command, 289
Direct current (DC), 42
Disk Administrator, Windows NT, 357
Disks
Disk Cleanup, Windows 2000, 391
Disk Cleanup, Windows 9.x, 321–322
Disk Defragmenter, 169
Disk Management tool, Windows 2000, 386–387
DISKCOPY command, 289
mirroring and RAID, 180
quotas, Windows 2000, 388
Display Properties
described, 139, 141
Windows 9.x, 318–319
Windows ME, 418–419
DMA (Direct Memory Address)
channels, 109–110
controllers, 66, 171
defined, 502
DNS (Domain Name System), 233, 238, 395, 502
Docking stations
docked/undocked hardware profile, 393
for laptops, 123–124
Domain
Windows 9.x, 325
Windows NT, 339
DOS
AUTOEXEC.BAT, 95, 280, 283–285
command interpreter, 279
command prompt utilities, 291–294
commands and switches, 288–290
CONFIG.SYS, 95, 280, 281–282
defined, 502
file name structure, 285–288
introduction, 278–279
IO.SYS, 280
memory management utilities, 294–296
MSDOS.SYS, 280–281
system and configuration files, 279–280
using, in Windows ME, 418
Dot matrix printers, 145–146, 152
Dot pitch, 133–135
Dpi (dots per inch), 119, 502
Dr. Watson, 315–316, 421–422
DRAM (Dynamic RAM), 82, 83, 84, 88, 502
Drive mapping, 355–356
Driver Signing
Windows 2000, 384
Windows XP, 461–462
Dry chemical (ABC and BC) fire extinguishers, 46
DSL (Digital Subscriber Line), 242, 245, 502
Dual Address Cycles (DAC), 51
Dual boot systems
Windows 2000, 381–382
Windows ME, 416–417
Windows NT, 342
Windows XP, 459
See also Bootup
Dual homer hosts, 244
DVDs (Digital Versatile Disks), 182, 502
DXDIAG command, 419–420
Dye sublimation printers, 151
| < Day Day Up > |
|