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  第73题      
  章/节:   专业英语       

 
The objective of(71)is to determine what parts of the application software will be assigned to what hardware. The major software components of the system being developed have to be identified and then allocated to the various hardware components on which the system will operate. All software systems can be divided into four basic functions. The first is(72).Most information systems require data to be stored and retrieved, whether a small file,such as a memo produced by a word processor, or a large database, such as one that stores an organization’s accounting records.The second function is the(73),the processing required to access data, which often means database queries in Structured Query Language. The third function is the (74),which is the logic documented in the DFDs, use cases,and functional requirements.The fourth function is the presentation logic,the display of information to the user and the acceptance of the user’s commands.The three primary hardware components of a system are (75).
 
 
  A.  data persistence
 
  B.  data access objects
 
  C.  database connection
 
  D.  data access logic
 
 
 

 
  第74题    2018年下半年  
   88%
Designing the data storage architecture is an important activity in system design. There are two main types of data stor..
  第71题    2021年下半年  
   26%
The prevailing distributed computing model of the curent era is called ctiem servar computing.A(71)is a solution in wh..
  第74题    2011年下半年  
   61%
Information systems design is defined as those tasks that focus on the specification of a detailed computer-based soluti..
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