1. S band

2. S.M.A.R.T (Self-Monitoring, Analysis and Reporting Technology)

3. s/key (secret key)

4. S/N (Signal-to-Noise ratio)

5. S4L (Spam for life)

6. Sabre

7. SACD (Super Audio CD)

8. Safari

9. SAID (Security Association ID)

10. SAM (System Account Manager)

11. Samba (SaMBa)

12. sample

13. sample size

14. sampling

15. sampling rate

16. SAN (Storage Area Network)

17. SAN (System Area Network)

18. sans serif

19. SAP (Secondary Audio Program)

20. SAP (Service Advertising Protocol)

21. SAP AG

22. SAPI (Scheduling Application Programming Interface)

23. SAPI (Speech Application Programming Interface)

24. SART (Search and Rescue Transponder)

25. SAT (SIM Application Toolkit)

26. SATA (Serial ATA)

27. satellite communications

28. satellite feed

29. satellite link

30. satellite mobile phone

31. satellite TV

32. save

33. SBR (Spectral Band Replication)

34. SC connector

35. scalability

36. scalable

37. scalable font

38. scalar (1)

39. scalar (2)

40. scalar (3)

41. scale

42. scan (1)

43. scan (2)

44. scan (3)

45. scan line

46. Scandisk

47. scanner

48. SCART connector (Syndicat Francais des Constructeurs d’Appareils Radio et Télévision connector)

49. SCC (SuperComputer Center)

50. S-CDMA (Synchronous Code Division Multiple Access)

51. scheduler (1)

52. scheduler (2)

53. scheduling

54. schema (1)

55. schema (2)

56. Scheme

57. SCI (Scalable Coherent Interface)

58. SCM (Supply Chain Management)

59. SCNR (Sorry, Could Not Resist)

60. SCO UnixWare

61. SCP (Secure Copy Protocol)

62. SCP (Service Control Point)

63. scramble

64. scrambler

65. scrambling

66. screen capture

67. screen dump

68. screen flicker

69. screen saver

70. screenshot

71. script

72. scripting language, script language

73. scripting tool

74. scroll

75. scroll bar, scrollbar

76. scrollable list box

77. SCSI (Small Computer System Interface)

78. SCSI-1

79. SCSI-2

80. SCSI-3

81. scumware

82. SD card (Secure Digital card)

83. SDH (Synchronous Data Hierarchy)

84. SDI (Serial Digital Interface)

85. SDIO (Secure Digital I/O Card)

86. SDK (Software Development Kit)

87. SDLC (Synchronous Data Link Control)

88. SDRAM (Synchronous Dynamic Random Access Memory)

89. SDRAM latency

90. SDRAM-II

91. SDSL (Symmetric Digital Subscriber Line)

92. SDTV (Standard Definition TV)

93. SeaMonkey

94. search engine

95. search form

96. searchable database

97. SECAM (Sequential Couleur Avec Memoire)

98. SECC (Single Edge Contact Cartridge)

99. SECC 2

100. secondary radar

101. secret key

102. secret key cryptography

103. sector

104. secure channel

105. secure server

106. secure site

107. security

108. security alert

109. security alert message

110. Security Association

111. security attribute

112. security audit

113. security audit trail

114. security hole

115. security kernel

116. security label

117. security policy

118. security protocol

119. security risk

120. security service

121. SEG (S***-eating grin)

122. segment (1)

123. segment (2)

124. segment (3)

125. segment register

126. segmentation

127. select

128. self-extracting archive

129. SELinux (Security Enhanced Linux)

130. semantics

131. semaphore

132. Sempron

133. Sendmail

134. sensitivity

135. sensor

136. SEPP (Single Edge Processor Package)

137. sequencer

138. SerDes (Serializer/Deserializer)

139. serial

140. serial bus

141. serial interface

142. serial line

143. serial port

144. serial printer

145. serial transmission

146. serif

147. servent

148. server (1)

149. server (2)

150. server application

151. server farm

152. Server POS (Server Point of Sale)

153. server software

154. server space

155. server station

156. server types

157. server-based keys

158. server-side processing

159. server-side scripting

160. service

161. service pack

162. service profile

163. service set

164. session

165. session key

166. session layer

167. set (1)

168. set (2)

169. set (3)

170. set (4)

171. SET (Secure Electronic Transaction Protocol)

172. setting

173. settlement

174. settop

175. set-top box

176. set-up (1)

177. set-up (2)

178. setup fees

179. SF (Surfer-friendly (low-graphics Web site))

180. SFP (Small Form-factor Pluggable)

181. SFR (Split Frame Rendering)

182. SFTP (SSH File Transfer Protocol)

183. SGML (Standard Generalized Markup Language)

184. SGRAM (Synchronous Graphics Random Access Memory)

185. sh (SHell)

186. SHA (Secure Hashing Algrithm)

187. shader

188. shading

189. shadow register

190. Shannon’s theorem

191. share

192. shared channel

193. shared DASD

194. shared database

195. shared disk array

196. shared file

197. shared hosting

198. shared lock

199. shared logic

200. shared mailbox

201. shared media LAN

202. shared memory (1)

203. shared memory (2)

204. shared resource

205. share-level security

206. shareware

207. shell

208. SHF (Super High Frequencies)

209. shift (1)

210. shift (2)

211. shift register

212. Shockwave Flash

213. shopping cart

214. short (short integer)

215. shortcut key

216. SHTML (Server-side include HyperText Markup Language file)

217. SHTTP (Secure HTTP)

218. S-HTTP (Secure HTTP)

219. shutter

220. shutter speed

221. sig, signature file

222. signal

223. signal constellation

224. signalling

225. signalling message

226. signalling rate

227. signed integer

228. signed number

229. silver oxide cell

230. SIM (Subscriber Identity Module)

231. SIM card

232. SIMD (Single-Instruction, Multiple-Data) architecture

233. SIMM (Single Inline Memory Module)

234. SIMPLE (SIP for Instant Messaging and Presence Leveraging Extensions)

235. simple messaging

236. simplex

237. SIMsalabim

238. single-user game

239. sink

240. SIP (SMDS Interface Protocol)

241. SIP (Session Initiation Protocol)

242. SIP (Single In-line Package)

243. SiP (System in Package)

244. SIP proxy (Session Initiation Protocol proxy)

245. SIS file

246. SISD (Single Instruction Single Data)

247. SITD (Still In The Dark)

248. site

249. sitemap, site map

250. skin

251. SKU (StockKeeping Unit)

252. SKU (Stockkeeping Unit)

253. Skype

254. SLA (Service Level Agreement)

255. slate computer

256. SLDRAM (Synchronous Link DRAM)

257. Sledgehammer

258. SLI (Scalable Link Interface)

259. SLIP (Serial Line Internet Protocol)

260. slipstreaming

261. slot (1)

262. slot (2)

263. slot (3)

264. slot (4)

265. slot time

266. SLP (Service Location Protocol)

267. SLR (Single Lens Reflex)

268. SMA connector (1)

269. SMA connector (2)

270. Smalltalk

271. smart card

272. Smart Grid

273. smart phone

274. smart TV

275. SmartMedia

276. SMB (Server Message Block)

277. SMD (Storage Module Device)

278. SMD (Surface Mount Device)

279. SMDS (Switched Multimegabit Data Services)

280. SMF (Single-Mode fiber, SingleMode Fiber)

281. SMIL (Synchronized Multimedia Integration Language)

282. smiley

283. S-MIME Encryption

284. smoothing (1)

285. smoothing (2)

286. SMP (Simple Management Protocol)

287. SMP (Symmetric MultiProcessing)

288. SMPTE (Society of Motion Picture and Television Engineers)

289. SMS (Short Message Service)

290. SMTP (Simple Mail Transfer Protocol)

291. SMTP server

292. smurf

293. SNA (Systems Network Architecture)

294. SNADS (SNA Distribution Services)

295. SNAFU (Situation normal, all f***ed up)

296. snail mail

297. snap-in

298. snapshot (1)

299. snapshot (2)

300. sniffer

301. SNMP (Simple Network Management Protocol)

302. snowflake schema

303. SOAP (Simple Object Access Protocol)

304. SoC (System On a Chip)

305. social media

306. socket (1)

307. socket (2)

308. socket services

309. SOCKS

310. SODIMM (Small Outline-DIMM)

311. soft error

312. softphone

313. software

314. software application

315. software component

316. software developer

317. software development

318. software engineering

319. software failure

320. software industry

321. software interface

322. software interrupt

323. software localization

324. software module

325. software package

326. software piracy

327. software product

328. software tools

329. SoftWindows

330. SOHO (small office / home office)

331. SOI (Silicon On Insulator)

332. SOIC (Small Outline IC)

333. SOJ (Small Outline package J-lead)

334. SOL (Smilling out loud or sh*t out of luck)

335. Solaris

336. SOM (System Object Model)

337. SOMY (Sick of me yet?)

338. SONET (Synchronous Optical Network)

339. SOP (Small Outline Package)

340. sound card

341. source

342. source code

343. source directory

344. Southbridge

345. SP (Stack Pointer)

346. SPA (Single Page Application)

347. space character

348. spam

349. spam relay

350. spamdexing

351. spamware

352. spanning tree

353. SPARC (Scalable Performance ARChitecture)

354. spectral leakage

355. speculative loading, speculation

356. speech codec

357. speech processing

358. speech recognition

359. speech synthesis

360. speech-recognition engine

361. speed margining

362. spell checker

363. SPID (Service Profile Identifier)

364. spider

365. spike

366. spin lock

367. splash page

368. splash screen

369. splitter

370. spoofing

371. spooling (Simultaneous Peripheral Operations On-Line)

372. spreader

373. spreadsheet

374. spreadsheet program

375. SPX (Sequenced Packet Exchange)

376. spyware

377. SQCIF (Sub Quarter CIF)

378. SQL (Structured Query Language)

379. SQL database

380. SQL injection

381. SQL Server

382. Squid

383. SRAM (Static Random Access Memory)

384. SRB (Source Routing Bridge)

385. sRGB (screen Red, Green, Blue)

386. SRP (Spatial Reuse Protocol)

387. SRV record (SeRVice record)

388. SS (Spread Spectrum)

389. SS7 (Signaling System 7)

390. SSA (Secure Sockets Agent)

391. SSA (Serial Storage Architecture)

392. SSB (Single SideBand)

393. SSD (Solid State Drive)

394. SSE (Streaming SIMD Extensions)

395. SSE2 (Streaming SIMD Extensions 2)

396. SSFDC (Solid State Floppy Disk Card)

397. SSH (Secure Socket Shell, Secure SHell)

398. SSI (Server Side Include)

399. SSID (Service Set IDentifier)

400. SSID hiding

401. SSL (Secure Sockets Layer)

402. SSMA (Spread Spectrum Multiple Access)

403. SSP (1) (Service Switching Point)

404. SSP (2) (Storage Service Provider)

405. SSP (3) (Switch to Switch Protocol)

406. stability

407. stable version

408. stack

409. stackware

410. staging server

411. standby (1)

412. standby (2)

413. star network

414. star schema

415. state

416. state diagram

417. state machine

418. state machine

419. stateful

420. stateless

421. statement

422. static file

423. station

424. status register

425. STC (Secure Transaction Channel)

426. STCP (Stream Transmission Control Protocol)

427. steganography

428. step-index fiber

429. STFW (Search the f*****g Web)

430. sTLD (sponsored Top-Level Domain)

431. STM (Synchronous Transport Module)

432. STN (SuperTwisted Nematic)

433. storage

434. storage capacity

435. storage device

436. storage engine

437. storage medium

438. storage space

439. storage system

440. store (1)

441. store (2)

442. stored procedure

443. storyboard

444. STP (1) (Signal Transfer Point)

445. STP (2) (Shielded Twisted Pair)

446. STP (3) (Spanning Tree Protocol)

447. straight-through cable

448. stream (1)

449. stream (2)

450. stream (3)

451. stream (4)

452. stream (5)

453. stream cipher

454. streamer

455. streaming

456. streaming audio

457. streaming tape

458. streaming video

459. string

460. string literal

461. striping

462. strong encryption

463. strong typing

464. Strowger telephone exchange

465. structure

466. structured overlay network

467. structured programming

468. stub (1)

469. stub (2)

470. STW (Search the Web)

471. style

472. style sheet

473. stylus

474. subcarrier

475. subclass

476. subdirectory

477. submit

478. subnet

479. subnet bit mask

480. subnet mask

481. subprocess

482. subroutine

483. subroutine call

484. SunOS

485. Super Multidrive

486. superclass

487. supercomputer

488. supercomputer sites

489. SuperDisk

490. superheterodyne

491. superscalar processor

492. superuser

493. supervisor

494. support (1)

495. support (2)

496. surf

497. surflingo

498. surround sound

499. SuSE Linux

500. suspend

501. SUYF (Shut Up, You Fool)

502. SVC (SuperVisor Call)

503. SVC (Switched Virtual Circuit)

504. SVCD (Super VCD)

505. SVD (Simultaneous Voice and Data)

506. SVF (Simple File Verification)

507. SVG (Scalable Vector Graphics)

508. SVGA (Super VGA)

509. S-VHS (Super-VHS)

510. SVID (System V Interface Definition)

511. S-video (Super-video)

512. SVPN (Secure VPN)

513. SWAG (Stupid wild-a** guess)

514. SWAN (Structured Wireless-Aware Network)

515. swap partition

516. swapping

517. swatch

518. SWDYT (So What Do You Think(

519. SWF

520. swim

521. Swing

522. swipe

523. swipe discount rate

524. switch (1)

525. switch (2)

526. switch (3)

527. switch (4)

528. Switched 56

529. switched network (1)

530. switched network (2)

531. switching hub

532. SXGA (Super Extended Graphics Array)

533. Sybase

534. sYCC

535. Symbian OS

536. symbol

537. symbol mathematics

538. symbol rate

539. symbolic link, symlink

540. symmetric cryptography

541. SYN (synchronous idle character)

542. synchronization (1)

543. synchronization (2)

544. synchronous

545. synchronous transmission

546. SyncML (Synchronization Markup Language)

547. syndication (1)

548. syndication (2)

549. syntax

550. sysop, system operator

551. system (1)

552. system (2)

553. system (3)

554. system (4)

555. system administration

556. system administrator, sysadmin

557. system analysis

558. system board

559. system bus

560. system call

561. system colors

562. system file

563. system idle process

564. system image

565. system memory

566. system monitor

567. system program

568. system programmer

569. system programming

570. system resource

571. system software

572. system tray

573. systems integrator

574. systems programmer