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. deadlock

171. Debian

172. debit card

173. debit transfer

174. debug

175. debugger

176. DEC (Digital Equipment Corporation)

177. decipherment

178. declaration

179. DECnet

180. decode (1)

181. decode (2)

182. decoder

183. decoding

184. decompress

185. decompression

186. decryption

187. decryption key

188. DECT (Digital European Cordless Telephone)

189. dedicated line

190. dedicated link

191. dedicated server

192. Deerfield

193. default

194. default gateway

195. default settings

196. default value

197. defragmentation

198. delete

199. delimiter

200. delivery

201. delivery agent

202. Delphi

203. delta compression

204. delta encoding

205. demand-driven

206. demarcation point

207. demigod

208. demon

209. demon dialing

210. demultiplexer

211. demultiplexing

212. DEN (Directory Enabled Networks)

213. DEP (Data Execution Prevention)

214. deploy

215. DEQ (DELIVERED EX QUAY)

216. DER (Distinguished Encoding Rules)

217. derived class

218. derived type

219. DES (Data Encryption Standard)

220. DES (DELIVERED EX SHIP)

221. descriptive billing

222. descriptor

223. descriptor (1)

224. descriptor (2)

225. descriptor (3)

226. descriptor language

227. design (1)

228. design (2)

229. design (3)

230. desktop (1)

231. desktop (2)

232. desktop computer

233. destination

234. destination system

235. developerís toolkit

236. development environment

237. development kit

238. development software

239. development stage

240. development system (1)

241. development system (2)

242. development tool

243. device

244. device driver

245. DFP (Digital Flat Panel)

246. DFS (Distributed File System)

247. DFS (Dynamic Frequency Selection)

248. DHCP (Dynamic Host Configuration Protocol)

249. DHT (Distributed Hash Table)

250. DHTML (Dynamic HTML)

251. diagramming program

252. dialog box

253. dial-up

254. dial-up account

255. dial-up connection

256. dial-up link

257. dial-up network (1)

258. dial-up network (2)

259. dibit

260. DICOM (Digital Imaging and COmmunications in Medicine)

261. dictionary attack

262. die (1)

263. die (2)

264. die (3)

265. die (4)

266. differential encoding

267. differential work factor cryptography

268. Diffie-Hellman

269. DiffServ

270. DIG (Digital Imaging Group)

271. digest

272. digit

273. digital

274. digital asset

275. digital audio

276. digital camera

277. digital cash

278. digital certificate

279. digital code

280. digital coins

281. digital data (1)

282. digital data (2)

283. digital envelope

284. digital ID (Digital Certificate)

285. digital marketplace

286. digital phone

287. digital signal

288. digital signature

289. digital video

290. digital wallet

291. Digital8

292. digitize

293. digitizer

294. digitizing tablet

295. DIKU (Do I know you?)

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

297. dimension (1)

298. dimension (2)

299. dimension table

300. DIMM (Dual In-line Memory Module)

301. DIN (Deutsches Institut fŁr Normung)

302. DIN connector

303. DIP (Dual In-line Package)

304. DIP switch

305. DirecPC

306. direct access

307. direct memory address

308. direct response

309. direct transmission

310. Direct3D

311. directory

312. directory path

313. directory service

314. directory tree

315. DirectSound

316. DirectSpeechRecognition

317. DirectTextToSpeech

318. DirectX

319. DISA (Data Interchange Standards Association)

320. disassemble

321. disassembler

322. disaster recovery

323. discount rate

324. discrete

325. discussion group

326. disintermediation

327. disk

328. disk controller

329. disk drive

330. disk emulator

331. disk image

332. disk interleaving

333. disk location

334. disk log file

335. disk memory

336. disk mirroring

337. disk record

338. disk storage

339. disk striping

340. disk subsystem

341. diskette

342. diskless workstation

343. DISOSS (DIStributed Office Support System)

344. dispersion-shifted fiber

345. display (1)

346. display (2)

347. display (3)

348. display (4)

349. display adapter

350. display modes

351. display panel

352. display screen

353. display terminal

354. display window

355. distinguished name

356. distributed application

357. distributed computing (1)

358. distributed computing (2)

359. distributed database

360. distributed directory

361. distributed objects

362. distributed processing

363. distribution (1)

364. distribution (2)

365. distribution list

366. dithering

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

368. DivX (1)

369. Divx (2) (DIgital Video eXpress)

370. Divx (3)

371. DLL (1) (Data Link Layer)

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

373. DLNA (Digital Living Network Alliance)

374. DLP (Digital Light Processing)

375. DLSw

376. DLTM (Donít Lie To Me)

377. DM (Delta Modulation)

378. DMA (Direct Memory Access) channel

379. DMB (Digital Multimedia Broadcasting)

380. DMD (Digital Micromirror Device)

381. DMI (Desktop Management Interface)

382. DML (Data Manipulation Language)

383. DMTF (Distributed Management Task Force)

384. DMZ (Demilitarized Zone)

385. DN (Directory Number)

386. DNIe (Digital Natural Image engine)

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

388. DNS (2) (Domain Name Server)

389. DNS (3) (Digital Nervous System)

390. DNS node

391. DNS record

392. DNSBL (DNS-based Blackhole List)

393. dock

394. DoCoMo

395. DOCSIS (Data Over Cable Service Interface Specifications)

396. document

397. document distribution

398. DOF (Depth Of Field)

399. Dolby B

400. Dolby Digital

401. Dolby HXPro (Dolby Headroom eXtension Professional)

402. DOM (Document Object Model)

403. domain (1)

404. domain (2)

405. domain (3)

406. domain (4)

407. domain controller

408. domain name

409. domain suffix

410. domain zone

411. Domino

412. dongle

413. DOS (Disk Operating System)

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

415. DOS-C

416. DOS-NT

417. dot crawl

418. dot matrix printer

419. dot pitch

420. double-click

421. downlink (1)

422. downlink (2)

423. download

424. download manager

425. downstream

426. downtime

427. dpi (dots per inch)

428. DPOF (Digital Print Order Format)

429. DPSK (Differential Phase-Shift Keying)

430. DPT (Distributed Processing Technology)

431. DQMOT (Donít quote me on this)

432. DQPSK (Differential Quadrature Phase Shift Keying)

433. drag

434. drag and drop

435. drag lock

436. DRAM (Dynamic Random Access Memory)

437. drawing program

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

439. DRI (Digital Receipt Infrastructure)

440. dribbleware

441. drift

442. drilldown

443. driver (1)

444. driver (2)

445. driver (3)

446. DRM (Digital Rights Management)

447. DRM (Digital Rights Management)

448. Dropbox

449. drop-down

450. drop-down menu

451. DRP (Disaster Recovery Plan)

452. DS (Direct Sequence)

453. DS (Distribution System)

454. DS0 (Digital Signal Level 0)

455. DS1 (Digital Signal Level 1)

456. DS3 (Digital Signal Level 3)

457. DSA (Data Service Adapter)

458. DSA (Digital Signature Algorithm)

459. DSC (Digital Selective Calling)

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

461. DSCP (Differentiated Services Code Point)

462. DSD (1) (Direct Stream Digital)

463. DSD (2) (Document Structure Description)

464. DSDRAM (Double-Speed DRAM)

465. DSE (Data Switching Exchange)

466. DSi

467. DSL (Digital Subscriber Line)

468. DSLAM (DSL Access Multiplexer)

469. DSML (Directory Service Markup Language)

470. DSN (Data Source Name)

471. DSN (Digital Switched Network)

472. DSOM (Distributed System Object Model)

473. DSP (1) (Digital Signal Processing)

474. DSP (2) (Digital Signal Processor)

475. DSS (Decision Support System)

476. DSS (Digital Signature Standard)

477. DSS (Distribution System Services)

478. DSSS (Direct Sequence Spread Spectrum)

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

480. DSTN (Dual-scan STN)

481. DSTP (Data Space Transfer Protocol)

482. DTD (Document Type Definition)

483. DTE (Data Terminal Equipment)

484. DTMF (Dual-Tone MultiFrequency)

485. DTP (DeskTop Publishing)

486. DTS (1) (Digital Termination Service)

487. DTS (2) DeskTop Server)

488. DTS (3) (Developer Technical Support)

489. DTS (4) (Digital Theatre Sound)

490. DTV (Digital Television)

491. dual band, dual-band

492. dual booting

493. dual mode

494. dual-core

495. dumb network

496. dumb terminal

497. dump

498. duplex separation

499. Duron

500. duty cycle

501. DV (Digital Video)

502. DVB (Digital Video Broadcasting)

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

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

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

506. DVB-S2

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

508. DVB-X

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

510. DVD burner

511. DVD drive

512. DVD Forum

513. DVD Multi

514. DVD player

515. DVD+R (DVD+Recordable) disk

516. DVD+R/+RW drive

517. DVD+R/RW drive

518. DVD+RW Alliance

519. DVD+RW disk

520. DVD-A disk

521. DVD-Audio disk

522. DVD-R (DVD-Recordable) disk

523. DVD-R/RAM drive

524. DVD-R/RW drive

525. DVD-R/-RW drive

526. DVD-R/W disk

527. DVD-RAM disk

528. DVD-ROM disk

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

530. DVD-Video

531. DVI (Digital Visual Interface)

532. DVR (Digital Video Recorder)

533. DWDM (Dense Wavelength Division Multiplexing)

534. dye sublimation printer

535. dynamic

536. dynamic IP address

537. dynamic linking

538. dynamic memory allocation

539. dynamic range (1)

540. dynamic range (2)

541. dynamic range (3)

542. dynamic range (4)

543. dynamic website