● An embedded operating system is the（71） program that manages all the other programs in an embedded device after initial load of programs by a(an) （72）. It normally guarantees a certain capability within a specified（73） size and （74） constraint as well as with application programs. It also normally has small foot print including initial boot loader, OS kernel, required device drivers, （75） for the user data and so forth. It has very-likely structure of a normal operating system however mainly differentiated by some factors such as type of pre-installed device, functional limits, taking designed job only.（71）A. hardware B. business C. software D. external（72）A. driver B. application C. kernel D. boot loader（73）A. data B. storage C. bus D. CPU（74）A. time B. format C. controller D. packet（75）A. JAFFS B. format C. file systems D. protocol
● An embedded operating system is the（71） program that manages all the other programs in an embedded device after initial load of programs by a(an) （72）. It normally guarantees a certain capability within a specified（73） size and （74） constraint as well as with application programs. It also normally has small foot print including initial boot loader, OS kernel, required device drivers, （75） for the user data and so forth. It has very-likely structure of a normal operating system however mainly differentiated by some factors such as type of pre-installed device, functional limits, taking designed job only.
（71）A. hardware B. business C. software D. external
（72）A. driver B. application C. kernel D. boot loader
（73）A. data B. storage C. bus D. CPU
（74）A. time B. format C. controller D. packet
（75）A. JAFFS B. format C. file systems D. protocol
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Would overnight guests at an inn ___________ a husband and wife steal towels? A. running byB. run byC. operatedD. operating
● A transport layer protocol has several responsibilities. One is to create a process-to-process (program-to-program) communication; TCP uses port （71） to accomplish this. Another responsibility of a transport layer protocol is to create a （72） and error-control mechanism at the transport level. TCP uses a sliding （73） protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve （74） control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends （75） of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver.（71）A. numbersB. connectionsC. diagramsD. resources（72）A. procedureB. functionC. routeD. flow（73）A. pathB. windowC. frameD. diagram（74）A. packetB. timeC. errorD. phase（75）A. portsB. streamsC. packetsD. cells
DOS的英文表示是()。 A、Disk、Operating、SystemB、Daily、Operating、SystemC、Disk、Open、SystemD、Date、Open、System
classWorkimplementsRunnable{Threadother；Work（Threadother）{this.other=other；}publicvoidrun（）{try{other.join（）；}catch（Exceptione）{}System.out.print（afterjoin）；}}classLaunch{publicstaticvoidmain（String[]args）{newThread（newWork（Thread.currentThread（）））.start（）；System.out.print（afterstart）；}}结果为：（）A.afterjoinB.afterstartC.afterjoinafterstartD.afterstartafterjoin
public static void main（String[]args）{Integer i=new Integer（1）+new Integer（2）；switch（i）{case3：System.out.println（three）；break；default：System.out.println（other）；break；}}Whatistheresult？（）A.threeB.otherC.Anexceptionisthrownatruntime.D.Compilationfailsbecauseofanerroronline12.E.Compilationfailsbecauseofanerroronline13.F.Compilationfailsbecauseofanerroronline15.
Main engines as well as auxiliary engines operating on heavy fuel should have continuousoon the lubricating oil, either according tothebypass or batch principles A.filteringB.centrifugingC.depositingD.operating
A transport layer protocol has several responsibilities. One is to create a process-to-process (program-to-program) communication; TCP uses port (71) to accomplish this. Another responsibility of a transport layer protocol is to create a (72) and error-control mechanism at the transport level. TCP uses a sliding (73) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve (74) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends (75) of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver.（71）A．numbersB．connectionsC．diagramsD．resources
A basic premise of OGSA is that everything is(71)by a service: a network enabled entity that(72)some capability through the exchange of messages. Computational resources, storage resources, networks, programs, databases, and so forth are all(73). This adoption of a uniform. service-oriented model means that all components of the environment are virtual. More specifically, OGSA represents everything as a Grid service: a Web service that conforms(74)a set of conventions and supports standard interfaces for such purposes as lifetime management. This core set of consistent interfaces, from which all Grid services are implemented,(75)the construction of hierarchical, higher-order services that can be treated in a uniform. way across layers of abstraction.A．definedB．representedC．usedD．passed
[A] administers [B] manages [C] oversees [D] presides