Index_I

D

DAMPS (Digital AMPS), 69–70, 77

database management system (DBMS)

administration requirements, 204

client/server data access, differences between, 203

data storage properties, 203

development options

commercial relational databases, 212–216

considerations for, 206–207

custom-coded databases, 211–212

proprietary storage, 207–211

flat-file databases, 200

normalization, 200

object databases, 201

ODBMS (object database management system), 201

operating system/device support, 205

overview, 199

persistent storage vs. real-time access, 206

relational databases, 200–201

security for, 205

standards-based support, 205

synchronization capabilities, 204

tables, 200

tool support, 204

vendors, 213–218

XDBMS (XML database management system), 202

data collection applications, 103

Data Encryption Standard (DES), 138

data-only networks, 75–76

data subsetting, 233

Data Total Access Communications (DataTAC), 76

DB2 Everyplace Enterprise, 214

DBMS. See database management system

DCOM (Distributed Component Object Model), 114

decks, HDML code, 309

declarations, 328

decryption, 137

DECT (Digital Enhanced Cordless Telephony), 61

Dell Web site, 40

DES (Data Encryption Standard), 138

Desktop Management Interface (DMI), 396

detachable configuration, wireless devices, 28

development tools

application servers, 353

mobile development, 181–182

RAD (rapid application development), 355–356

vendors for, 357–358

wireless Internet applications, 291–296

device emulators

built-in, 356

defined, 179

features of, 185

Java/J2ME, 189–190

Palm OS, 187–188

physical devices, 191–192

Symbian OS, 188

Windows PC, 186

wireless Internet applications, 292–296

devices

advancements in, 19

detachable configuration, 28

diversity in, 15–16

Handspring Treo, 9

integrated configuration, 28–29

interoperability, 47

keyboard input, 26

keypad input, 25

manufacturers, 10–11, 40–41

Palm i705, 9

pen-based input, 25–26

physical, 298

Pocket PC-based, 33–34

RIM Blackberry, 9

selection considerations, 15–16, 24

specialty-purpose, 19

Tungsten, 33

two-unit configuration, 27–28

voice input, 26

Windows CE-based, 21, 160–162

Zire, 33

DF (Download Fun), 434

dialogs, defined, 367–368

Digital AMPS (DAMPS), 69–70, 77

digital certificates, 139–140

Digital Enhanced Cordless Telephony (DECT), 61

digital signatures, 140

digital vs. analog signals, 65

directives, 328

direct-sequence (DS), 80

direct-sequence spread spectrum (DSSS), 46

Distributed Component Object Model (DCOM), 114

DMI (Desktop Management Interface), 396

DOCTYPE declaration, XHTML code, 322

Document Type Definition (DTD), 335

Download Fun (DF), 434

Dreamweaver (Macromedia), 297

Dual-Tone Multifrequency (DTMF), 365

dynamic content, 316, 351