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. developer’s 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 für 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 (Don’t 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 (Don’t 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