单选题The concept of NAVTEX is of a（）system for the broadcast and reception of MSI.Acomplete serviceBpartial controlledCquite newDtotal co-ordinated
单选题
The concept of NAVTEX is of a（）system for the broadcast and reception of MSI.
A
complete service
B
partial controlled
C
quite new
D
total co-ordinated
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The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable(71 )of the technical requirements for the software product.During the requirements definition phase, the requirements definition team uses an iterative process to expand a broad statement of the system requirements into a complete and detailed specification of each function that the sofrware must perform. and each(72)that it must meet. The starting point is usually a set of high-level requirements from the(73)that describe the project or problem.In either case, the requirements definition team formulates an overall concept for the system and then defines(74)showing how the system will be operated, publishes the system and operations concept document, and conducts a system concept review(SCR).Following the SCR, the team derives(75)requirements for the system from the high level requirements and the system and operations concept. Using structured or object-oriented analysis, the team specifies the software functions and algorithms needed to satisfy each detailed requirement.A．functionB．definitionC．specificationD．statement
The analysis phase answers the questions of who will use the system, what the system will do, and where and when it will be used. During this phase, the project team investigates ny current system,identifies (71) , and develops a concept for the new system. This phase as three steps: first, (72) is developed to guide the project teams efforts. It usually ncludes an analysis of the current system and its problems, and the ways to design a new ystem. The next step is (73) The analysis ofthis information - in conjunction withinput rom the project sponsor and many other people - leads to the development of a concept for a ew system. The system concept is then used as a basis to develop a set ofbusiness analysis odels that describes how the business will operate if the new system were developed. The set of models typically includes models that represent the (74) necessary to support the nderlying business process. Last, the analyses, system concepts, and models are combined nto a document called the (75), which is presented to the project sponsor and other key ecision makers that decide whether the project should continue to move forwardA.improvementopportunitiesB.logicalmodelC.systemrequirementsD.systemarchitecture@@@SXB@@@A.a user manualB.an analysis strategyC. an analysis use caseD.a design user case@@@SXB@@@A.project scope definitionB.prob,lems analysisC.decisionanalysisD.requirementsgathering@@@SXB@@@A.dataandprocessesB.systeminfrastructuresC.externalagentsD.systemsoftware@@@SXB@@@A.requirementsstatementB.designspecificationC.systemproposalD.project charter
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单选题The coordinated broadcast and automated reception of MSI via the INMARSAT EGC system using English to meet the requirements of the SOLAS Convention:（）.Ainternational NAVTEX ServiceBFleetNET ServiceCSafetyNet ServiceDWWNWS
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单选题The terrestrial system of GMDSS consists of（）.Aradio-telephony, DSC, Direct Printing Telegraphy,Navtex and SARTBINMARSAT, DSC, Direct Printing Telegraphy, Navtex and SARTCradio-telephony,DSC,EPLRB,Navtex and SARTDStatus Recording system,DSC,Direct Printing Telegraphy, Navtex and SART
单选题International Navtex service is（）.Aa terrestrial MF systemBa satellite communication systemCa land HF radio systemDa coastal VHF system
单选题（）is the system for the broadcast and automatic reception of maritime safety information by means of narrow-band direct-printing telegraphy.ASafetyNETBNAVTEXCNAVAREADVHF R/T
单选题The concept of NAVTEX is of a（）system for the broadcast and receipt of MSI.Asearch and rescueBsafeCco-ordinatedDhydrographic
单选题A major advantage of the NAVTEX system when compared to other systems is that（）.Athe information can be received on an ordinary FM radioBwarnings are printed out for reading when convenientCbroadcasts are at scheduled timesDa low frequency band is used for long distance transmission
单选题International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.A518B2182C156.8D2187.5
单选题BBS的全称是（ ）。AB1og board systemBBulletin broadcast serviceCB1og broadcast serviceDBulletin board system
单选题SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.ADSCBEPIRBCEGCDNBDP