2. C language
3. C Shell
4. C#
5. C/I (Carrier to Interfence ratio)
6. C/N (Carrier-to-Noise ratio)
7. C++
8. C2
9. C2B (Consumer to Business e-commerce)
10. C2C (Client to Client)
11. C2C (Consumer to Consumer)
12. C-450
13. CA (Certificate Authority)
14. CAB file (cabinet file)
15. Cabir
16. cable modem
17. CAC (Conditional Access Card)
18. cache (cache memory)
19. cache server
20. caching
21. CAD (Computer-Aided Design)
22. CAD/CAM (Computer-Aided Design/Computer-Aided Manufacturing)
23. CAL (Client Access Licence)
24. calculator
25. calendaring
26. call (1)
27. call (2)
28. call (3)
29. call (4)
30. call (5)
31. call (6)
32. call center
33. call completion
34. call control
35. call graph
36. CAM (1) (Computer-Aided Manufacturing)
37. CAM (2) (Content Addressable Memory)
38. camcorder
39. CAMEL (Customised Application of Mobile Enhanced Logic)
40. Camino
41. CAN (Campus Area Network)
42. CAN (Controller Area Network)
43. candela
44. cantenna
45. capacitive touchscreen
46. CAPI (1) (Computer Assisted Personal Interviewing)
47. CAPI (2) (Common Application Programming Interface)
48. CAPI (3) (Cryptography API)
49. CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart)
50. capture (1)
51. capture (2)
52. card
53. card services
54. CardBus
55. cardholder
56. careware
57. carrier (1)
58. carrier (2)
59. carrier (3)
60. carrier (4)
61. carrier frequency
62. carrier signal
63. carrier wave
64. carry
65. cartridge
66. cartridge font
67. CAS (2) (Channel Associated Signaling)
68. CAS (1) (Column Address Strobe)
69. CAS (3) (Content Addressed Storage)
70. CAS (4) (Communications Application Specification)
71. CAS (Content Addressed Storage)
72. cascading menu
73. cascading windows
74. case (1)
75. case (2)
76. case (3)
77. CASE (Computer Aided Software Engineering)
78. case insensitive
79. case sensitive
80. CAT 5 (Category 5 cable)
81. catch-all
82. CATV (Community Antenna TV)
83. CAV (Constant Angular Velocity)
84. CB radio (Citizen Band radio)
85. CBR (Constant Bit Rate)
86. CBT (Computer-Based Training)
87. cc (carbon copy)
88. cc:Mail
89. CCA Emacs
90. CCD (Charge-Coupled Device)
91. CCFL (Cold Cathode Fluorescent Lamp)
92. CCFT (Cold Cathode Fluorescent Tube)
93. CCITT (Commite Consultatif Internationale de Telegraphique et Telephonique )
94. CCK (Complementary Code Keying)
95. CCK/OFDM (Complementary Code Keying/Orthogonal FDM)
96. CCMP (Counter Mode with Cipher Block Chaining Message Authentication Code Protocol)
97. CCP (Compression Control Protocol)
98. CCS (100 Call Seconds)
99. CCS (Common Channel Signaling)
100. ccTLD (country code TLD)
101. CCTV (Closed-Circuit TeleVision)
102. CD (Compact Disc)
103. CD burner
104. CD quality
105. CD-E (CD Erasable)
106. CDF (Channel Definition Format)
107. CDG (CDMA Development Group)
108. CD-I (Compact Disc Interactive)
109. CDIP (CERamic Dual In-line Package)
110. CDMA (Code-Division Multiple Access)
111. CDMA2000
112. cdmaOne
113. CDN (Content Delivery Network)
114. CDO (Collaboration Data Objects)
115. CDONTS (Collaborative Data Objects for NT Server)
116. CDPD (Cellular Digital Packet Data)
117. CD-quality
118. CDR (Common Data Rate)
119. CD-R (Compact Disc-Recordable)
120. CD-R drive (Compact Disk-Recordable drive)
121. CD-ROM (Compact Disc Read-Only Memory)
122. CD-ROM drive
123. CD-ROM/XA (CD-ROM eXtended Architecture)
124. CD-RW (CD-ReWritable disk)
125. Cedar Mill
126. cell (1)
127. cell (2)
128. cell (3)
129. cell (4)
130. cell (5)
131. cell (6)
132. cell padding
133. cell phone
134. cell relay
135. cell spacing
136. Cello
137. cellular
138. cellular respiration
139. cellular telephone, cellular phone
140. CENELEC (Comité Européen de Normalisation Electrotechnique )
141. Centrino
142. Centronics
143. CEPS (Common Electronic Purse Specification)
144. CEPT (Comite Europeen des Postes et Telecommunications)
145. CERDIP (CERamic Dual In-line Package)
146. CERN (Conseil Européenne pour la Recherche Nucléaire)
147. CERQUAD (CERamic QUADpack)
148. CERT/CC (Computer Emergency Response Team/Coordination Center)
149. certificate
150. Certification Authority
151. certification path
152. CF (CompactFlash)
153. CFR (COST AND FREIGHT)
154. CGA (Color/Graphics Adaptor)
155. CGI (1) (Computer Graphics Interface)
156. CGI (2) (Common Gateway Interface)
157. CGI script
158. cgi-bin
159. CGM (Computer Graphics Metafile)
160. challenge-response
161. channel (1)
162. channel (2)
163. channel (3)
164. channel (4)
165. channel (5)
166. channel (6)
167. channel (7)
168. channel (8)
169. channel coding
170. Channel Definition Format
171. channels
172. CHAP (Challenge Handshake Authentication Protocol)
173. character
174. character printer
175. character set
176. character string
177. chargeback
178. charityware
179. charm bar
180. chat
181. chat room, chatroom
182. chat server
183. check box, checkbox
184. check image interchange
185. check-by-phone
186. checksum
187. child
188. Chimera
189. chip (1)
190. chip (2)
191. chip card
192. chip package
193. chip rate
194. chipset
195. chirp (1)
196. chirp (2)
197. chmod (change mode)
198. chroma
199. chrominance
200. cHTML (compact HTML)
201. churn
202. churn rate
203. CICS (Customer Information Control System)
204. CID (Consider It Done)
205. CIDR (Classless Inter-Domain Routing)
206. CIE (Commission Internationale de l’Eclairage)
207. CIE L*a*b*
208. CIF (1) (Common Intermediate Format)
209. CIF (2) (Common Image Format)
210. CIF (3) (Cells In Frames)
211. CIF (COST, INSURANCE AND FREIGHT)
212. CIFS (Common Internet File System)
213. CIM (CompuServe Information Manager)
214. CIM (Common Information Model)
215. CIM (Computer-Integrated Manufacturing)
216. cinematic computing
217. Cinepak
218. CIO (Check It Out)
219. CIP (CARRIAGE AND INSURANCE PAID TO)
220. cipher
221. ciphertext
222. circuit switching
223. CISC (Complex Instruction Set Computer)
224. cladding
225. class
226. class diagram
227. class library
228. class of service (1)
229. class of service (2)
230. CLCC (Ceramic Leadless Chip Carrier)
231. CLDC (Connected, Limited Device Configuration )
232. clear text
233. clearing (1)
234. clearing (2)
235. clearing house
236. cleartext
237. CLEC (Competitive Local Exchange Carrier)
238. CLI (Common Language Infrastructure)
239. CLI (Call Level Interface)
240. CLI (Calling Line Identification)
241. CLI (Command Line Interface)
242. CLI (Command Line Interface) language
243. CLI (Command Line Interpreter)
244. click
245. click fraud
246. clickable
247. clickable image
248. click-and mortar
249. client (1)
250. client (2)
251. client application
252. client station
253. client/server architecture
254. client-server application
255. client-side processing
256. client-side scripting
257. clipboard
258. clipper chip
259. clock (1)
260. clock (2)
261. clock cycle
262. clock generator
263. clock pulse
264. clock rate
265. clock signal
266. clock speed
267. clone
268. close
269. cloud computing
270. cloud service
271. CLR (Common Language Runtime)
272. cluster (1)
273. cluster (2)
274. cluster controller
275. clustering
276. CLV (Constant Linear Velocity)
277. CMC (Common Messaging Calls)
278. CMC (Computer-Mediated Communication)
279. CMD
280. CMI (Computer-Managed Instruction)
281. CMIP (Common Management Information Protocol)
282. CMOS (Complementary Metal-Oxide Semiconductor)
283. CMS (Call Management System)
284. CMS (Color Mangagement System)
285. CMS (Content Management System)
286. CMS (Conversational Monitor System)
287. CMTS (Cable Modem Termination System)
288. CMU (Carnegie-Mellon University)
289. CMYK (Cyan Magenta Yellow Key)
290. CNA (Computer Network Attack)
291. CNAME record (Canonical Name Record)
292. C-Netz
293. CNR (Communications and Networking Riser)
294. CO (Central Office)
295. COA (Certificate Of Authenticity)
296. coaxial cable
297. COBOL (COmmon Business Oriented Language)
298. co-branding
299. COCA (Cost Of Cracking Adjustment)
300. code (1)
301. code (2)
302. code (3)
303. code (4)
304. code (5)
305. code (6)
306. code base
307. code cache
308. code morphing
309. code point
310. code rate
311. codebreaking
312. codec (1)
313. codec (2)
314. codeword
315. COFDM (Coded Orthogonal FDM)
316. COFF (Common Object File Format)
317. COFF (Common Object File Format)
318. cold boot
319. ColdFusion
320. coLinux (cooperative Linux)
321. collaborative filtering
322. collision
323. collision domain
324. color balance
325. color depth
326. color display
327. color gamut
328. color model
329. color resolution
330. color separation
331. color separation
332. color space
333. color space conversion
334. color value
335. color wheel (1)
336. colorimetry
337. COM (1) (Communications port)
338. COM (2) (Component Object Model)
339. COM object
340. combo box
341. comma-delimited
342. command
343. command interpreter
344. command language
345. command line
346. command line processor
347. command mode
348. command processor
349. command prompt
350. command sequence
351. command shell
352. command-driven
353. commerce server
354. commercial online service
355. commercial software
356. commit
357. commoditization
358. Commodore
359. common carrier
360. communication ID
361. communication software
362. communications
363. communications controller
364. communications envelope
365. communications line
366. communications link
367. communications network
368. communications protocol
369. communications satellite
370. communicator
371. community
372. CompactPCI
373. companding (1)
374. companding (2)
375. Compaq
376. comparator (1)
377. comparator (2)
378. compatible
379. compilation
380. compile
381. compiler
382. complex instruction
383. compliance checking
384. component
385. component architecture
386. component software
387. component video
388. Composite CDMA/TDMA
389. composite video
390. compositin engine
391. compound document
392. compress (1)
393. compress (2)
394. compression (1)
395. compression (2)
396. compression algorithm
397. compression rate
398. compressive sensing
399. CompuServe
400. computationally secure
401. computer
402. computer conference
403. computer crime
404. computer game
405. computer language
406. computer network
407. computer on a chip
408. computer science
409. computer system
410. computer vision
411. computerization
412. computerize
413. computerized mail system
414. Comvik
415. concurrent programming
416. conditional jump
417. conference
418. confidentiality
419. configuration
420. configuration file
421. configurator
422. configure
423. conformance testing
424. congestion
425. connectionless
426. connection-oriented
427. connectivity
428. connector (1)
429. connector (2)
430. connector (3)
431. Conroe
432. console
433. constant
434. constellation point
435. constraint
436. constructor
437. contact card
438. contact manager
439. contactless card
440. container (1)
441. container (2)
442. container format
443. content
444. content centric software
445. content delivery
446. content management
447. context switching
448. contiguous
449. continuous replenishment
450. contone (continuous-tone)
451. contoured keyboard
452. control (1)
453. control (2)
454. control (3)
455. control character
456. control code
457. control flow
458. control operation
459. control pad
460. control plane
461. control unit (1)
462. control unit (2)
463. controller
464. conventional memory
465. convergence
466. convergence layer
467. conversion (1)
468. conversion (2)
469. conversion (3)
470. conversion (4)
471. conversion (5)
472. convert
473. converter
474. convolutional code
475. cookie
476. co-operative multitasking
477. coprocessor
478. COPS (Common Open Policy Service Protocol)
479. copy (1)
480. copy (2)
481. copy (3)
482. copywriter
483. CORBA (Common Object Request Broker Architecture)
484. cordless phone, cordless telephone
485. core (1)
486. core (2)
487. core (3)
488. core (4)
489. core class
490. core dump
491. core file
492. core image
493. core network
494. core services
495. Corsair
496. COSE (Common Open Software Environment)
497. counter
498. counter (1)
499. counter (2)
500. counter (3)
501. country club billing
502. Courier Mail Server
503. courseware
504. Covington
505. CP/M (Control Program for Microcomputers)
506. CPC (Cost-per-click)
507. CPE (Customer Premises Equipment)
508. CPLD (Complex Programmable Logic Device)
509. CPM (Cost per thousand)
510. cps (character per second)
511. CPS (Customer Programming Software)
512. CPT (CARRIAGE PAID TO)
513. CPU (Central Processing Unit)
514. CPU binding
515. CPU time
516. crack (1)
517. crack (2)
518. cracker
519. crash (1)
520. crash (2)
521. crash dump
522. crawler
523. CRC (Cyclic Redundancy Check)
524. CRC (Cyclic Redundancy Checking)
525. credentials
526. credit
527. credit card
528. credit card processing
529. credit card processor
530. credit card transaction
531. credit transfer
532. crippleware (1)
533. crippleware (2)
534. critical section
535. critical update
536. CRLI (Certificate Revocation List Identifier)
537. CRM (Customer Relationship Management)
538. cron
539. cron expression
540. crop
541. Cross-Forest Trust
542. crossover cable
543. cross-platform
544. CRS (Computer Reservation System)
545. CRT (Cathode Ray Tube) display
546. crumb
547. Crusoe
548. cryptanalysis
549. cryptographic checkvalue
550. cryptography
551. Cryptoki
552. Cryptolope
553. CSMA (Carrier Sense Multiple Access)
554. CSMA/CA (Carrier Sense Multiple Access With Collision Avoidance)
555. CSMA/CD (Carrier Sense Multiple Access with Collision Detection)
556. CSP (Commerce Service Provider)
557. CSPDN (Circuit Switched Public Data Network)
558. CSR (1) Control and Status Register
559. CSR (2) (Customer Service Representative)
560. CSR (3) (Certificate Signing Request)
561. CSS (1) (Cascading Style Sheets)
562. CSS (2) (Content Scrambling System)
563. CSU/DSU (Channel Service Unit/Data Service Unit)
564. CSV (Comma Separated Values)
565. CT bus
566. CTCP (Client-To-Client Protocol)
567. CTI (Computer Telephony Integration)
568. CTPH (Context Triggered Piecewise Hashing)
569. CTR (Click Through Rate)
570. CU (See you)
571. cuesheet
572. CUL (See you later)
573. CUL8ER (See you later)
574. cursor
575. customizable
576. customization
577. customize
578. cut
579. CVBS (Composite Video Baseband Signal)
580. CVD (China Video Disk)
581. CVS (Concurrent Versions System)
582. CWMI (Common Warehouse Metadata Interchange)
583. cXML (commerce XML)
584. CYA (Cover your ass)
585. CyberCash
586. cybercrime
587. cybermediary
588. cyberspace
589. cyberstalking
590. CyberWallet
591. Cygwin (GNU + Cygnus + Windows)
592. cylinder
593. CYO (See you online)
594. Cyrix
595. Cyrus