● The computer you are using is protected usually by (75) .(75)A. passwordB. keyC. mouseD. USB
● The computer you are using is protected usually by (75) .
(75)
A. password
B. key
C. mouse
D. USB
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世界主要的PSC组织有______。Ⅰ、ParisMOUⅡ、TokyoMOUⅢ、加勒比MOUⅣ、波罗的海MOUⅤ、印度洋地区MOUⅥ、西非和中非地区MOUA.Ⅰ+Ⅱ+Ⅲ+Ⅴ+ⅥB.Ⅰ+Ⅲ+Ⅳ+Ⅴ+ⅥC.Ⅱ+Ⅳ+Ⅴ+ⅥD.以上全部
● The （71） is a general description of the architecture of a workflow managemensystem used by the WFMC, in which the main components and the associated interfaces arsummarized. The workflow enactment service is the heart of a workflow system which consistof several （72） . In a workflow system, a process is specified using the process definitio tool. Usually, processes are defined in terms of a （73） , which consists of （74）indicated using a circle, and （75） shown as a rectangle. These two components can blinked by means of a directed arc.（71）A. waterfall modelB. workflow reference modelC. evolutionary modelD. spiral model（72）A. workflow enginesB. processesC. workflow threads（73）A. PERT diagramB. DFDC. Petri NetD. ER diagram（74）A. positionsB. resourcesC. conditionsD. places（75）A. transitionsB. transformationsC. transmittersD. changes
Computer(75)is a complex consisting of two or more connected computing units，it iS used for the purpose of data communication and resource Sharing．A．storageB．deviceC．networkD．processor
The(71) is a general description of the architecture of a workflow management system used by the WFMC, in which the main components and the associated interfaces are summarized. The workflow enactment service is the heart of a workflow system which consists of several(72). In a workflow system, a process is specified using the process definition tool. Usually, processes are defined in terms of a(73), which consists of(74) indicated using a circle, and(75) shown as a rectangle. These two components can be linked by means of a directed arc.A．waterfall modelB．workflow reference modelC．evolutionary modelD．spiral model
● A (75) system placed between the company network and the outside world may limit outside access to the internal network.(75)A. firewallB. modemC. gatewayD. key
Computer(75)is a complex consisting of two or moreconnected computing units， it is used for the purpose of data communication and resource sharing．A．storageB．deviceC．networkD．processor
● Computer（75） is a complex consisting of two or more connected computing units, it is used for the purpose of data communication and resource sharing.（75）A. storage B. device C. network D. processor
●Computers will become more advanced and they will also become easier to use.Improved speed recognition will make the operation of a computer easier. Virtual reality（虚拟现实）， the technology of (71) with a computer using all of the human senses, will also contribute to better human and computer (72). Other, exotic (奇异的) models of computation are being developed, including biological computing that uses living organisms, molecular computing that uses molecules with particular (73), and computing that uses DNA, the basic unit of heredity（遗传）， to store data and carry out operations. These are examples of possible future computational platforms that, so far, are limited in abilities or are strictly (74) . Scientists investigate them because of the physical limitations of miniaturizing circuits embedded in silicon. There are also (75) related to heat generated by even the tiniest of transistors.(71) A．interactB．interactingC．communicateD．using( 72) A ．interfacesB．behaviorC．similaritiesD．comparison(73) A．softwareB．propertiesC．programsD．hardware( 74) A．empiricalB．realC． practicalD． theoretical( 75) A． developmentsB．advantagesC． limitationsD． improvements
A(75)system placed between the company network and the outside world may limit outside access to the internal network．A．firewallB．modemC．gatewayD．key
Password is a secret series of(73) that enables a user to access a file, computer, or program. On multi-user systems, each user must enter his or her password before the computer will respond to(74). The password helps ensure that(75) users do not access the computer. In addition, data files and programs may require a password.A．symbolB．signC．charactersD．characteristic