计算机专业英语(第四版)课后习题答案
Unｉt １
［Ex １] 1. F 2. T 3. T 4. Ｆ 5． Ｔ 6. Ｔ 7. T 8. T 9. T 10. Ｆ
［Ex 2] 1. inpｕt, storａge, ｐroceｓsing, and output ２. ｐoweｒ; speｅｄ; meｍory
３. cｅｎｔｒal proceｓsing uniｔ 4． inｔｅrｎal; primａｒｙ； ｍemory
５. keyboard; central pｒocｅssiｎg unit； ｍａin memory; mｏｎitor
［Ex 3] A. １. F 2． D 3． G 4. C 5. B 6. Ａ 7. E 8. Ｈ B. 1. useｒ 2． ｍonitor 3. data 4. keybｏard ５. dａｔa ｐｒoｃｅssiｎｇ
6． infoｒmatiｏn 7． comｐｕｔer ８． memory
[Ex 4］ 1. input deｖicｅ 2. ｓcｒeｅn, ｓcｒeｅn 3. maｎipulaｔes 4. inｓtructioｎs 5. retrieｖｅ
6. coｄｅ 7. ｈａrｄ copｙ 8. Fuｎｃtion ［Ex. ５］ 新处理器开始IT技术的新时代
Ｎew Prｏceｓsｏrs Oｐeｎ New Ｅra of IＴ Tｅcｈnolｏgies
Ｌast week， Iｎtel ｉｎtroducｅｄ tｏ tｈe publiｃ iｎ Ｒuｓsia aｎd othｅｒ CIS countries a ｆamily of proceｓsors Intel Xeon E5-2６00. Ｔｈey arｅ more powerful aｎd ｒeliable ａｎd, importaｎtlｙ, are vｅrｙ ｅcｏnoｍiｃal ｉn terｍs of eｎergy consuｍｐｔion. Thｅiｒ pｒesｅncｅ opens a new era in the fieｌd of IT ｔeｃhnoloｇieｓ ａnｄ meaｎs tｈat the ｃloｕｄ ｔecｈnoｌogy iｓ geｔting ｃｌoｓer.
These prｏcessors aｒe primarily deｓignｅd for serｖerｓ， data centerｓ (DPC) aｎd supeｒcｏｍputers. Ｔhe eｍｅｒgence of ｔｈｉs class of ｄｅviｃes ｉs ｎｏt ａcｃiｄeｎtal. According ｔｏ ｔhe rｅgｉoｎal dirｅcｔor of Iｎtel in Ｒussia ａnd oｔhｅr CIS states Dmｉｔｒi Ｋonaｓh wｈo ｓpokｅ at ｔhe eveｎt， thｅ market of IT－technolｏgｙ iｓ dｅveｌｏｐing so rapｉdly thａｔ, accｏｒdinｇ to foreｃasｔs, by ２015 ｔｈere ｗilｌ be 1５ biｌｌioｎ devicｅs ｃonnected ｔｏ tｈe Internet, ａnｄ ｏｖer 3 billion of active useｒｓ.
上周，英特尔公司向俄罗斯和其它独联体国家的公众推出了英特尔Xeｏn E５-26０0系列处理器，它们更加强大可靠,尤其是在能量消耗方面更加经济实惠。它们的问世意味着IT技术领域开始了一个新时代，标志着云技术距离我们越来越近。
这些处理器主要是为服务器、数字处理中心和超级计算机设计的。这种处理器的出现并非偶然。根据英特尔公司俄罗斯和其他独联体地区负责人Dmitｒi Konash就此事发表的看法，IT技术市场的发展速度极快,根据预测,到２０1５年与英特网连接的设施将有1５0亿,用户超过３0亿。
[Ｅx 6］ 1． Ｔ 2． T 3. F 4. F 5. Ｔ 6. Ｆ 7． Ｔ 8. F
Uｎit 2
[Ex １] 1． T 2. F 3. T 4. F 5. Ｔ 6. Ｔ 7. T 8. F [Ex 2] １. ｓizeｓ, ｓｈａpes, proｃessing capabilities
2. supeｒcompｕteｒｓ, ｍａinframｅ coｍｐutｅｒs, mｉｎicｏmpｕters， micｒｏcomputers
3． mainframe ｃomputer 4． microcomputeｒs, ｓｔｏrage ｌｏcations
5． prｏtaｂｌeｓ, lapｔop compuｔｅrs／noｔebｏoｋ/ｐalｍ－ｓized compｕｔer.
deskｔｏｐ workstations
6. sｅｍiｃonduｃtｏr 7. CPU, memory， storage， devices， processｉｎg, ｕｓers
８． micｒｏprocesｓoｒ cｈip
[Ex 3] A. 1. C 2． A 3． H ４. I 5. E 6. Ｆ 7. G ８. Ｂ
B. 1． capacｉty ２． deｖice 3. laptoｐ compuｔｅr ４． Pｏｒｔａ
blｅ cｏmｐuterｓ
5. Siｌｉcｏｎ 6. semiｃoｎdｕｃtor 7. workｓtａｔｉoｎ 8. ｖoｌｔａge
9． RAM 1０． ROＭ
[Eｘ 4] 1. portable 2. ａccess 3. mａin memｏry ４. soｐｈiｓiticatｅd proｇｒａms
5. ｐｒocｅssinｇ cａpaｂiliｔｙ 6. ｉnｓtｒuｃtioｎs 7. cｏmpｕtatｉon
8. computer proｆｅssioｎal [Ｅx ５］ 平板电脑
Tａｂlet Coｍputeｒ
Ａ ｔaｂlet comｐutｅr， ｏr sｉmpｌy tabｌet, is a one－piecｅ, mobiｌe ｖeｒsion ｏf ａ personal ｃomｐｕter, primarilｙ oｐeratｅｄ by touchscrｅen (the uｓｅr's finger ｅｓsentiaｌly fｕnｃtions as the ｍousｅ and ｃursor, rｅmovinｇ the nｅed for thｅ pｈｙｓicａｌ [ｉ.e., mｏuse & ｋeyｂoarｄ］ ｈardｗare componｅｎts nｅcessary foｒ a dｅsktｏp or laｐｔoｐ ｃｏmputｅr; anｄ, ａn onscrｅeｎ, hｉdeablｅ ｖirtual keyｂoａrｄ is inｔegｒated inｔo the display). Ａvaｉlabｌe in a vａｒiety of ｓizes, eｖen the ｓmａｌlest's ｔoｕchscrｅens arｅ ｍuｃｈ ｌａｒｇer than ｔhｏse ｏf a sｍarｔ pｈoｎe or personaｌ dｉｇital assisｔａnｔ. Ａ taｂlet computer may be coｎｎected to a keyｂｏａｒd with a wireｌesｓ ｌｉｎk oｒ a UＳB ｐｏrt. Ｃoｎvertible notebook ｃompｕｔers have an integrated ｋeyｂｏard thａt cａn be hiｄden bｙ ａ ｓwivel joint or ｓliｄe ｊoint， exposinｇ ｏnly thｅ screen for touch oｐeration． Hybｒids ｈａve a dｅtａｃｈaｂｌｅ kｅyboａrd so ｔｈat the touch scrｅｅn can ｂe useｄ aｓ a stａnd-aｌｏｎe tabｌet. Bookleｔs incluｄｅ dｕaｌ-ｔｏｕchｓcrｅｅｎs, and can be useｄ as ａ notebook by dｉsｐｌａyｉng a vｉｒtual keｙboard ｉn one oｆ thｅm.
Noｔes：
cuｒsor ［?k?：s?] n. 光标 ｓwivｅｌ [?ｓwiv?ｌ] ｎ. 旋轴;
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