Unlike more traditional embedded systems,a full-fledged CPS is typically designed as a ( ) of interacting elements with physical input and output instead of as standalone devices.A.systemB.mechanismC.netD.network

Embedded system is(66)special computer system which is scalable on both software and(67). It can satisfy the strict requirement of functionality,(68), cost, volume, and power consumption of the particular application. With rapid development of(69)design and manufacture, CPUs became cheap. Lots of(70)electronics have embedded CPU and thus became embedded systems. For example, PDAs, cellphones, point-of-sale devices, VCRs, industrial robot control, or even your toasters can be embedded system.

A．cost-oriented

B．applieation-oriented

C．efficiency-oriented

D．consumption-oriented

The use of network（ ）,systems that effectively isolate an organization&39;s internal network structure from an（ ）network, such as the INTERNET is becoming increasingly popular. These firewall systems typically act as application-layer（ ）between networks, usually offering controlled TELNET, FTP, and SMTP access. With the emergence of more sophisticated（ ）layer protocols designed to facilitate global information discovery , there exists a need to provide a general （ ）for these protocols to transparently and securely traverse a firewall.

A.safeguardsB.firewallsC.routersD.switches A.exteriorB.InternalC.centreD.middle A.hostsB.routersC.gatewaysD.officesA.networkB.sessionC.transmissionD.application A.frameworkB.internetworkC.computerD.application

从供选择的答案中选出应填入英语文句中()内的正确的答案。

Software design is a(A) process. It requires a certain (B) of flair on the part of the designer. Design can not be learned from a book. It must be practiced and learnt by experience and study of existing systems. A well (C) software system is straight forward to implement and maintain, easily (D) and reliable .Badly (C) software systems, although they may work are (E) to be expensive to maintain, difficult to test and unreliable.

A: ① create ② created ③ creating ④ creative

B: ① amount ② amounted ③ mount ④ mounted

C: ① design ② designed ③ designing ④ designs

D: ① understand ② understands ③ understanding ④ understood

E: ① like ② likely ③ unlike ④ unlikely

What’S the main idea of the passage7

A．Laser light treatment of heart disease should take the place of the traditional operatlon．

B．Laser light treatment has been proved better and more effective than the traditional operation．

C．More advanced technology should be encouraged to try on．

D．Laser light treatment of heart disease still needs’more research．

For users, microkernel technology promises(11), compact and sophisticated operating systems that are typically(12) across a range of hardware platforms.

A．quickly

B．speed

C．slow

D．fast

From the third paragraph, we may infer that_____.

［A］ traditional cultural heritage is worthy of preservation

［B］ the universal features shared by all cultures aren’t worthy of notice

［C］ musicians pay more attention to the preservation of traditional music

［D］ the more developed a culture, the more valuable the music it has fostered

●An Embedded System is a (72)designed for specific control functions within a larger system.

(72) A． computer

B． program

C．computer system

D．tool