1. D language

2. D1 (Digital 1)

3. D2 (Digital 2)

4. D3 (Digital 3)

5. D4 (Digital 4)

6. D5 (Digital 5)

7. DAB (Digital Audio Broadcasting)

8. DAC (Digital-to-Analog Converter)

9. DAC (Discretionary Access Control)

10. daemon

11. DAF (DELIVERED AT FRONTIER)

12. daisy chain

13. DAL (Dedicated Access Line)

14. D-AMPS, Digital AMPS

15. DAO (1) (Data Access Objects)

16. DAO (2) (Disk At Once)

17. dark fiber

18. Darwin

19. DASD (Direct Access Storage Device)

20. dashboard

21. DAT (Digital Audio Tape)

22. data (1)

23. data (2)

24. data (3)

25. data access

26. data binning

27. data bus

28. data center

29. data channel

30. data communications

31. data compression

32. data conferencing

33. data corruption

34. data description language

35. data element

36. data entry

37. data file

38. data flow (1)

39. data flow (2)

40. data flow (3)

41. data flow diagram

42. data flow processor

43. data glove

44. data integrity

45. data library (1)

46. data library (2)

47. data link protocol

48. data mart

49. data miner

50. data mining

51. data model

52. data network

53. data object

54. data origin authentication

55. data packet

56. data parallel

57. data path

58. data prefetch

59. data processing

60. data processing cycle

61. data projector

62. data protection

63. data race

64. data rate

65. data recovery

66. data reduction

67. data retention

68. data retrieval

69. data segment

70. data set

71. data source

72. data store

73. data stream

74. data structure

75. data synchronization

76. data transfer

77. data transfer rate

78. data transmission

79. data type

80. data unit

81. data warehouse (1)

82. data warehouse (2)

83. data warehousing

84. data warehousing management

85. data width

86. database (1)

87. database (2)

88. database administrator

89. database application

90. database driver

91. database engine

92. database program

93. database retrieval

94. database server (1)

95. database server (2)

96. datacasting

97. datacenter

98. data-driven

99. data-driven website

100. datagram

101. DAVIC (Digital Audio Video Interactive Council)

102. DB (Data Bus) connector

103. dB (deciBel)

104. DB-15 connector

105. DB2 (Database 2)

106. DB-25 connector

107. DB-37 connector

108. DB-50 connector

109. DB-9 connector

110. DBA (Database Administrator)

111. dBa (deciBels adjusted)

112. DBA (Doing Business As)

113. dBASE

114. DBCS (Double Byte Character Set )

115. dBm

116. dBm0

117. dBm0p

118. DBMS (Database Management System)

119. dBr (dB relative)

120. DBS (Direct Broadcast Satellite)

121. dbx

122. DC (Device Context)

123. DCC (Digital Compact Cassette)

124. DCC (Direct Client-to-Client) protocol

125. DCC (Distributed Checksum Clearinghouse)

126. DCD (Document Content Description)

127. DCE (1) (Distributed Computing Environment)

128. DCE (2) (Data Communications Equipment)

129. DCF (Design rules for Camera File system)

130. D-channel (Delta channel)

131. DCN (Data Communications Network)

132. DCOM (Distributed Component Object Model)

133. DCOM server

134. D-connector

135. DCS (Declarative Content Standard)

136. DCS (Desktop Color Separation)

137. DCS (Destination Control Statement)

138. DCS (Digital Cross-connect System)

139. DCS (Distributed Communications System)

140. DCS (Distributed Control System)

141. DCS 1800 (Digital Cordless Standard 1800)

142. DCT (Discrete Cosine Transform)

143. DD (Double Density)

144. DDC (Dewey Decimal Classification)

145. DDC (Display Data Channel)

146. DDE (Dynamic Data Exchange)

147. DDI (Device Driver Interface)

148. DDK (Driver Development Kit)

149. DDL (Data Definition Language)

150. DDL (Data Description Language)

151. DDL (Description Definition Language)

152. DDML (Document Definition Markup Language)

153. DDoS attack (Distributed Denial of Service attack)

154. DDP (Datagram Delivery Protocol)

155. DDP (DELIVERED DUTY PAID)

156. DDR (Double Data Rate) memory

157. DDR DRAM (Double Data Rate DRAM)

158. DDR SDRAM (Double Data Rate Synchronous DRAM)

159. DDR1 SDRAM (Double Data Rate one Synchronous Dynamic Random Access Memory)

160. DDR2 SDRAM (Double Data Rate two Synchronous Dynamic Random Access Memory)

161. DDR3 SDRAM (Double Data Rate three Synchronous Dynamic Random Access Memory)

162. DDR4 SDRAM (Double Data Rate four Synchronous Dynamic Random Access Memory)

163. DDRAM

164. DDS (Digital Data Storage)

165. DDS-1

166. DDS-2

167. DDS-3

168. DDS-4

169. DDU (DELIVERED DUTY UNPAID)

170. dead link

171. deadlock

172. Debian

173. debit card

174. debit transfer

175. debug

176. debugger

177. DEC (Digital Equipment Corporation)

178. decipherment

179. declaration

180. DECnet

181. decode (1)

182. decode (2)

183. decoder

184. decoding

185. decompress

186. decompression

187. decryption

188. decryption key

189. DECT (Digital European Cordless Telephone)

190. dedicated line

191. dedicated link

192. dedicated server

193. Deerfield

194. default

195. default gateway

196. default settings

197. default value

198. defragmentation

199. delete

200. delimiter

201. delivery

202. delivery agent

203. Delphi

204. delta compression

205. delta encoding

206. demand-driven

207. demarcation point

208. demigod

209. demon

210. demon dialing

211. demultiplexer

212. demultiplexing

213. DEN (Directory Enabled Networks)

214. DEP (Data Execution Prevention)

215. deploy

216. DEQ (DELIVERED EX QUAY)

217. DER (Distinguished Encoding Rules)

218. derived class

219. derived type

220. DES (Data Encryption Standard)

221. DES (DELIVERED EX SHIP)

222. descriptive billing

223. descriptor

224. descriptor (1)

225. descriptor (2)

226. descriptor (3)

227. descriptor language

228. design (1)

229. design (2)

230. design (3)

231. desktop (1)

232. desktop (2)

233. desktop computer

234. destination

235. destination system

236. developerís toolkit

237. development environment

238. development kit

239. development software

240. development stage

241. development system (1)

242. development system (2)

243. development tool

244. device

245. device driver

246. DFP (Digital Flat Panel)

247. DFS (Distributed File System)

248. DFS (Dynamic Frequency Selection)

249. DHCP (Dynamic Host Configuration Protocol)

250. DHT (Distributed Hash Table)

251. DHTML (Dynamic HTML)

252. diagramming program

253. dialog box

254. dial-up

255. dial-up account

256. dial-up connection

257. dial-up link

258. dial-up network (1)

259. dial-up network (2)

260. dibit

261. DICOM (Digital Imaging and COmmunications in Medicine)

262. dictionary attack

263. die (1)

264. die (2)

265. die (3)

266. die (4)

267. differential encoding

268. differential work factor cryptography

269. Diffie-Hellman

270. DiffServ

271. DIG (Digital Imaging Group)

272. digest

273. digit

274. digital

275. digital asset

276. digital audio

277. digital camera

278. digital cash

279. digital certificate

280. digital code

281. digital coins

282. digital data (1)

283. digital data (2)

284. digital envelope

285. digital ID (Digital Certificate)

286. digital marketplace

287. digital phone

288. digital signal

289. digital signature

290. digital video

291. digital wallet

292. Digital8

293. digitize

294. digitizer

295. digitizing tablet

296. DIKU (Do I know you?)

297. DILLIGAS (Do I Look Like I Give A Shit)

298. dimension (1)

299. dimension (2)

300. dimension table

301. DIMM (Dual In-line Memory Module)

302. DIN (Deutsches Institut fŁr Normung)

303. DIN connector

304. DIP (Dual In-line Package)

305. DIP switch

306. DirecPC

307. direct access

308. direct memory address

309. direct response

310. direct transmission

311. Direct3D

312. directory

313. directory path

314. directory service

315. directory tree

316. DirectSound

317. DirectSpeechRecognition

318. DirectTextToSpeech

319. DirectX

320. DISA (Data Interchange Standards Association)

321. disassemble

322. disassembler

323. disaster recovery

324. discount rate

325. discrete

326. discussion group

327. disintermediation

328. disk

329. disk controller

330. disk drive

331. disk emulator

332. disk image

333. disk interleaving

334. disk location

335. disk log file

336. disk memory

337. disk mirroring

338. disk record

339. disk storage

340. disk striping

341. disk subsystem

342. diskette

343. diskless workstation

344. DISOSS (DIStributed Office Support System)

345. dispersion-shifted fiber

346. display (1)

347. display (2)

348. display (3)

349. display (4)

350. display adapter

351. display modes

352. display panel

353. display screen

354. display terminal

355. display window

356. distinguished name

357. distributed application

358. distributed computing (1)

359. distributed computing (2)

360. distributed database

361. distributed directory

362. distributed objects

363. distributed processing

364. distribution (1)

365. distribution (2)

366. distribution list

367. dithering

368. DITYID (Did I tell you I’m distressed?)

369. DivX (1)

370. Divx (2) (DIgital Video eXpress)

371. Divx (3)

372. DLL (1) (Data Link Layer)

373. DLL (2) (Dynamic Link Library, Dynamically Linked Library)

374. DLNA (Digital Living Network Alliance)

375. DLP (Digital Light Processing)

376. DLSw

377. DLTM (Donít Lie To Me)

378. DM (Delta Modulation)

379. DMA (Direct Memory Access) channel

380. DMB (Digital Multimedia Broadcasting)

381. DMD (Digital Micromirror Device)

382. DMI (Desktop Management Interface)

383. DML (Data Manipulation Language)

384. DMTF (Distributed Management Task Force)

385. DMZ (Demilitarized Zone)

386. DN (Directory Number)

387. DNIe (Digital Natural Image engine)

388. DNS (1) (Domain Name System (Service))

389. DNS (2) (Domain Name Server)

390. DNS (3) (Digital Nervous System)

391. DNS node

392. DNS record

393. DNSBL (DNS-based Blackhole List)

394. dock

395. DoCoMo

396. DOCSIS (Data Over Cable Service Interface Specifications)

397. document

398. document distribution

399. DOF (Depth Of Field)

400. Dolby B

401. Dolby Digital

402. Dolby HXPro (Dolby Headroom eXtension Professional)

403. DOM (Document Object Model)

404. domain (1)

405. domain (2)

406. domain (3)

407. domain (4)

408. domain controller

409. domain name

410. domain suffix

411. domain zone

412. Domino

413. dongle

414. DOS (Disk Operating System)

415. DoS attack (Denial-of-Service Attack)

416. DOS-C

417. DOS-NT

418. dot crawl

419. dot matrix printer

420. dot pitch

421. double-click

422. downlink (1)

423. downlink (2)

424. download

425. download manager

426. downstream

427. downtime

428. dpi (dots per inch)

429. DPOF (Digital Print Order Format)

430. DPSK (Differential Phase-Shift Keying)

431. DPT (Distributed Processing Technology)

432. DQMOT (Donít quote me on this)

433. DQPSK (Differential Quadrature Phase Shift Keying)

434. drag

435. drag and drop

436. drag lock

437. DRAM (Dynamic Random Access Memory)

438. drawing program

439. DR-DOS (Digital Research Disk Operating System)

440. DRI (Digital Receipt Infrastructure)

441. dribbleware

442. drift

443. drilldown

444. driver (1)

445. driver (2)

446. driver (3)

447. DRM (Digital Rights Management)

448. DRM (Digital Rights Management)

449. Dropbox

450. drop-down

451. drop-down menu

452. DRP (Disaster Recovery Plan)

453. DS (Direct Sequence)

454. DS (Distribution System)

455. DS0 (Digital Signal Level 0)

456. DS1 (Digital Signal Level 1)

457. DS3 (Digital Signal Level 3)

458. DSA (Data Service Adapter)

459. DSA (Digital Signature Algorithm)

460. DSC (Digital Selective Calling)

461. DS-CDMA (Direct Sequence Code Division Multiple Access)

462. DSCP (Differentiated Services Code Point)

463. DSD (1) (Direct Stream Digital)

464. DSD (2) (Document Structure Description)

465. DSDRAM (Double-Speed DRAM)

466. DSE (Data Switching Exchange)

467. DSi

468. DSL (Digital Subscriber Line)

469. DSLAM (DSL Access Multiplexer)

470. DSML (Directory Service Markup Language)

471. DSN (Data Source Name)

472. DSN (Digital Switched Network)

473. DSOM (Distributed System Object Model)

474. DSP (1) (Digital Signal Processing)

475. DSP (2) (Digital Signal Processor)

476. DSS (Decision Support System)

477. DSS (Digital Signature Standard)

478. DSS (Distribution System Services)

479. DSSS (Direct Sequence Spread Spectrum)

480. DSTN (Double-layer Super-Twist Nematic)

481. DSTN (Dual-scan STN)

482. DSTP (Data Space Transfer Protocol)

483. DTD (Document Type Definition)

484. DTE (Data Terminal Equipment)

485. DTMF (Dual-Tone MultiFrequency)

486. DTP (DeskTop Publishing)

487. DTS (1) (Digital Termination Service)

488. DTS (2) DeskTop Server)

489. DTS (3) (Developer Technical Support)

490. DTS (4) (Digital Theatre Sound)

491. DTV (Digital Television)

492. dual band, dual-band

493. dual booting

494. dual mode

495. dual-core

496. dumb network

497. dumb terminal

498. dump

499. duplex separation

500. Duron

501. duty cycle

502. DV (Digital Video)

503. DVB (Digital Video Broadcasting)

504. DVB-C (Digital Video Broadcasting - Cable)

505. DVB-H (Digital Video Broadcasting: Handhelds)

506. DVB-S (Digital Video Broadcast: Satellite)

507. DVB-S2

508. DVB-T (Digital Video Broadcasting - Terrestrial)

509. DVB-X

510. DVD (Digital Video Disc, Digital Versatile Disc)

511. DVD burner

512. DVD drive

513. DVD Forum

514. DVD Multi

515. DVD player

516. DVD+R (DVD+Recordable) disk

517. DVD+R/+RW drive

518. DVD+R/RW drive

519. DVD+RW Alliance

520. DVD+RW disk

521. DVD-A disk

522. DVD-Audio disk

523. DVD-R (DVD-Recordable) disk

524. DVD-R/RAM drive

525. DVD-R/RW drive

526. DVD-R/-RW drive

527. DVD-R/W disk

528. DVD-RAM disk

529. DVD-ROM disk

530. DVD-RW (DVD-Read Write) disk

531. DVD-Video

532. DVI (Digital Visual Interface)

533. DVR (Digital Video Recorder)

534. DWDM (Dense Wavelength Division Multiplexing)

535. dye sublimation printer

536. dynamic

537. dynamic IP address

538. dynamic linking

539. dynamic memory allocation

540. dynamic range (1)

541. dynamic range (2)

542. dynamic range (3)

543. dynamic range (4)

544. dynamic website