1. D language

2. D1 (Digital 1)

3. D2 (Digital 2)

4. D3 (Digital 3)

5. D4 (Digital 4)

6. D5 (Digital 5)

7. DAC (Digital-to-Analog Converter)

8. DAC (Discretionary Access Control)

9. daemon

10. DAF (DELIVERED AT FRONTIER)

11. daisy chain

12. DAL (Dedicated Access Line)

13. D-AMPS, Digital AMPS

14. DAO (1) (Data Access Objects)

15. DAO (2) (Disk At Once)

16. dark fiber

17. Darwin

18. DASD (Direct Access Storage Device)

19. dashboard

20. DAT (Digital Audio Tape)

21. data (1)

22. data (2)

23. data (3)

24. data access

25. data binning

26. data bus

27. data center

28. data channel

29. data communications

30. data compression

31. data conferencing

32. data corruption

33. data description language

34. data element

35. data entry

36. data file

37. data flow (1)

38. data flow (2)

39. data flow (3)

40. data flow diagram

41. data flow processor

42. data glove

43. data integrity

44. data library (1)

45. data library (2)

46. data link protocol

47. data mart

48. data miner

49. data mining

50. data model

51. data network

52. data object

53. data origin authentication

54. data packet

55. data parallel

56. data path

57. data prefetch

58. data processing

59. data processing cycle

60. data projector

61. data protection

62. data race

63. data rate

64. data recovery

65. data reduction

66. data retention

67. data retrieval

68. data segment

69. data set

70. data source

71. data store

72. data stream

73. data structure

74. data synchronization

75. data transfer

76. data transfer rate

77. data transmission

78. data type

79. data unit

80. data warehouse (1)

81. data warehouse (2)

82. data warehousing

83. data warehousing management

84. data width

85. database (1)

86. database (2)

87. database administrator

88. database application

89. database driver

90. database engine

91. database program

92. database retrieval

93. database server (1)

94. database server (2)

95. datacenter

96. data-driven

97. data-driven website

98. datagram

99. DAVIC (Digital Audio Video Interactive Council)

100. DB (Data Bus) connector

101. dB (deciBel)

102. DB-15 connector

103. DB2 (Database 2)

104. DB-25 connector

105. DB-37 connector

106. DB-50 connector

107. DB-9 connector

108. DBA (Database Administrator)

109. dBa (deciBels adjusted)

110. DBA (Doing Business As)

111. dBASE

112. DBCS (Double Byte Character Set )

113. dBm

114. dBm0

115. dBm0p

116. DBMS (Database Management System)

117. dBr (dB relative)

118. DBS (Direct Broadcast Satellite)

119. dbx

120. DC (Device Context)

121. DCC (Digital Compact Cassette)

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

123. DCC (Distributed Checksum Clearinghouse)

124. DCD (Document Content Description)

125. DCE (1) (Distributed Computing Environment)

126. DCE (2) (Data Communications Equipment)

127. DCF (Design rules for Camera File system)

128. D-channel (Delta channel)

129. DCN (Data Communications Network)

130. DCOM (Distributed Component Object Model)

131. DCOM server

132. D-connector

133. DCS (Declarative Content Standard)

134. DCS (Desktop Color Separation)

135. DCS (Destination Control Statement)

136. DCS (Digital Cross-connect System)

137. DCS (Distributed Communications System)

138. DCS (Distributed Control System)

139. DCS 1800 (Digital Cordless Standard 1800)

140. DCT (Discrete Cosine Transform)

141. DD (Double Density)

142. DDC (Dewey Decimal Classification)

143. DDC (Display Data Channel)

144. DDE (Dynamic Data Exchange)

145. DDI (Device Driver Interface)

146. DDK (Driver Development Kit)

147. DDL (Data Definition Language)

148. DDL (Data Description Language)

149. DDL (Description Definition Language)

150. DDML (Document Definition Markup Language)

151. DDoS attack (Distributed Denial of Service attack)

152. DDP (Datagram Delivery Protocol)

153. DDP (DELIVERED DUTY PAID)

154. DDR (Double Data Rate) memory

155. DDR DRAM (Double Data Rate DRAM)

156. DDR SDRAM (Double Data Rate Synchronous DRAM)

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

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

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

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

161. DDRAM

162. DDS (Digital Data Storage)

163. DDS-1

164. DDS-2

165. DDS-3

166. DDS-4

167. DDU (DELIVERED DUTY UNPAID)

168. deadlock

169. Debian

170. debit card

171. debit transfer

172. debug

173. debugger

174. DEC (Digital Equipment Corporation)

175. decipherment

176. declaration

177. DECnet

178. decode (1)

179. decode (2)

180. decoder

181. decoding

182. decompress

183. decompression

184. decryption

185. decryption key

186. DECT (Digital European Cordless Telephone)

187. dedicated line

188. dedicated link

189. dedicated server

190. Deerfield

191. default

192. default gateway

193. default settings

194. default value

195. defragmentation

196. delete

197. delimiter

198. delivery

199. delivery agent

200. Delphi

201. delta compression

202. delta encoding

203. demand-driven

204. demarcation point

205. demigod

206. demon

207. demon dialing

208. demultiplexer

209. demultiplexing

210. DEN (Directory Enabled Networks)

211. DEP (Data Execution Prevention)

212. deploy

213. DEQ (DELIVERED EX QUAY)

214. DER (Distinguished Encoding Rules)

215. derived class

216. derived type

217. DES (Data Encryption Standard)

218. DES (DELIVERED EX SHIP)

219. descriptive billing

220. descriptor

221. descriptor (1)

222. descriptor (2)

223. descriptor (3)

224. descriptor language

225. design (1)

226. design (2)

227. design (3)

228. desktop (1)

229. desktop (2)

230. desktop computer

231. destination

232. destination system

233. developerís toolkit

234. development environment

235. development kit

236. development software

237. development stage

238. development system (1)

239. development system (2)

240. development tool

241. device

242. device driver

243. DFP (Digital Flat Panel)

244. DFS (Distributed File System)

245. DFS (Dynamic Frequency Selection)

246. DHCP (Dynamic Host Configuration Protocol)

247. DHT (Distributed Hash Table)

248. DHTML (Dynamic HTML)

249. diagramming program

250. dialog box

251. dial-up

252. dial-up account

253. dial-up connection

254. dial-up link

255. dial-up network (1)

256. dial-up network (2)

257. dibit

258. DICOM (Digital Imaging and COmmunications in Medicine)

259. dictionary attack

260. die (1)

261. die (2)

262. die (3)

263. die (4)

264. differential encoding

265. differential work factor cryptography

266. Diffie-Hellman

267. DiffServ

268. DIG (Digital Imaging Group)

269. digest

270. digit

271. digital

272. digital asset

273. digital audio

274. digital camera

275. digital cash

276. digital certificate

277. digital code

278. digital coins

279. digital data (1)

280. digital data (2)

281. digital envelope

282. digital ID (Digital Certificate)

283. digital marketplace

284. digital phone

285. digital signal

286. digital signature

287. digital video

288. digital wallet

289. Digital8

290. digitize

291. digitizer

292. digitizing tablet

293. DIKU (Do I know you?)

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

295. dimension (1)

296. dimension (2)

297. dimension table

298. DIMM (Dual In-line Memory Module)

299. DIN (Deutsches Institut fŁr Normung)

300. DIN connector

301. DIP (Dual In-line Package)

302. DIP switch

303. DirecPC

304. direct access

305. direct memory address

306. direct response

307. direct transmission

308. Direct3D

309. directory

310. directory path

311. directory service

312. directory tree

313. DirectSound

314. DirectSpeechRecognition

315. DirectTextToSpeech

316. DirectX

317. DISA (Data Interchange Standards Association)

318. disassemble

319. disassembler

320. disaster recovery

321. discount rate

322. discrete

323. discussion group

324. disintermediation

325. disk

326. disk controller

327. disk drive

328. disk emulator

329. disk image

330. disk interleaving

331. disk location

332. disk log file

333. disk memory

334. disk mirroring

335. disk record

336. disk storage

337. disk striping

338. disk subsystem

339. diskette

340. diskless workstation

341. DISOSS (DIStributed Office Support System)

342. dispersion-shifted fiber

343. display (1)

344. display (2)

345. display (3)

346. display (4)

347. display adapter

348. display modes

349. display panel

350. display screen

351. display terminal

352. display window

353. distinguished name

354. distributed application

355. distributed computing (1)

356. distributed computing (2)

357. distributed database

358. distributed directory

359. distributed objects

360. distributed processing

361. distribution (1)

362. distribution (2)

363. distribution list

364. dithering

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

366. DivX (1)

367. Divx (2) (DIgital Video eXpress)

368. Divx (3)

369. DLL (1) (Data Link Layer)

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

371. DLNA (Digital Living Network Alliance)

372. DLP (Digital Light Processing)

373. DLSw

374. DLTM (Donít Lie To Me)

375. DM (Delta Modulation)

376. DMA (Direct Memory Access) channel

377. DMD (Digital Micromirror Device)

378. DMI (Desktop Management Interface)

379. DML (Data Manipulation Language)

380. DMTF (Distributed Management Task Force)

381. DMZ (Demilitarized Zone)

382. DN (Directory Number)

383. DNIe (Digital Natural Image engine)

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

385. DNS (2) (Domain Name Server)

386. DNS (3) (Digital Nervous System)

387. DNS node

388. DNS record

389. DNSBL (DNS-based Blackhole List)

390. dock

391. DoCoMo

392. DOCSIS (Data Over Cable Service Interface Specifications)

393. document

394. document distribution

395. DOF (Depth Of Field)

396. Dolby B

397. Dolby Digital

398. Dolby HXPro (Dolby Headroom eXtension Professional)

399. DOM (Document Object Model)

400. domain (1)

401. domain (2)

402. domain (3)

403. domain (4)

404. domain controller

405. domain name

406. domain suffix

407. domain zone

408. Domino

409. dongle

410. DOS (Disk Operating System)

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

412. DOS-C

413. DOS-NT

414. dot crawl

415. dot matrix printer

416. dot pitch

417. double-click

418. downlink (1)

419. downlink (2)

420. download

421. download manager

422. downstream

423. downtime

424. dpi (dots per inch)

425. DPOF (Digital Print Order Format)

426. DPSK (Differential Phase-Shift Keying)

427. DPT (Distributed Processing Technology)

428. DQMOT (Donít quote me on this)

429. DQPSK (Differential Quadrature Phase Shift Keying)

430. drag

431. drag and drop

432. drag lock

433. DRAM (Dynamic Random Access Memory)

434. drawing program

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

436. DRI (Digital Receipt Infrastructure)

437. dribbleware

438. drift

439. drilldown

440. driver (1)

441. driver (2)

442. driver (3)

443. DRM (Digital Rights Management)

444. DRM (Digital Rights Management)

445. Dropbox

446. drop-down

447. drop-down menu

448. DRP (Disaster Recovery Plan)

449. DS (Direct Sequence)

450. DS (Distribution System)

451. DS0 (Digital Signal Level 0)

452. DS1 (Digital Signal Level 1)

453. DS3 (Digital Signal Level 3)

454. DSA (Data Service Adapter)

455. DSA (Digital Signature Algorithm)

456. DSC (Digital Selective Calling)

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

458. DSCP (Differentiated Services Code Point)

459. DSD (1) (Direct Stream Digital)

460. DSD (2) (Document Structure Description)

461. DSDRAM (Double-Speed DRAM)

462. DSE (Data Switching Exchange)

463. DSi

464. DSL (Digital Subscriber Line)

465. DSLAM (DSL Access Multiplexer)

466. DSML (Directory Service Markup Language)

467. DSN (Data Source Name)

468. DSN (Digital Switched Network)

469. DSOM (Distributed System Object Model)

470. DSP (1) (Digital Signal Processing)

471. DSP (2) (Digital Signal Processor)

472. DSS (Decision Support System)

473. DSS (Digital Signature Standard)

474. DSS (Distribution System Services)

475. DSSS (Direct Sequence Spread Spectrum)

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

477. DSTN (Dual-scan STN)

478. DSTP (Data Space Transfer Protocol)

479. DTD (Document Type Definition)

480. DTE (Data Terminal Equipment)

481. DTMF (Dual-Tone MultiFrequency)

482. DTP (DeskTop Publishing)

483. DTS (1) (Digital Termination Service)

484. DTS (2) DeskTop Server)

485. DTS (3) (Developer Technical Support)

486. DTS (4) (Digital Theatre Sound)

487. DTV (Digital Television)

488. dual band, dual-band

489. dual booting

490. dual mode

491. dual-core

492. dumb network

493. dumb terminal

494. dump

495. duplex separation

496. Duron

497. duty cycle

498. DV (Digital Video)

499. DVB (Digital Video Broadcasting)

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

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

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

503. DVB-S2

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

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

506. DVD burner

507. DVD drive

508. DVD Forum

509. DVD Multi

510. DVD player

511. DVD+R (DVD+Recordable) disk

512. DVD+R/+RW drive

513. DVD+R/RW drive

514. DVD+RW Alliance

515. DVD+RW disk

516. DVD-A disk

517. DVD-Audio disk

518. DVD-R (DVD-Recordable) disk

519. DVD-R/RAM drive

520. DVD-R/RW drive

521. DVD-R/-RW drive

522. DVD-R/W disk

523. DVD-RAM disk

524. DVD-ROM disk

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

526. DVD-Video

527. DVI (Digital Visual Interface)

528. DVR (Digital Video Recorder)

529. DWDM (Dense Wavelength Division Multiplexing)

530. dye sublimation printer

531. dynamic

532. dynamic IP address

533. dynamic linking

534. dynamic memory allocation

535. dynamic range (1)

536. dynamic range (2)

537. dynamic range (3)

538. dynamic range (4)

539. dynamic website