A.Program Writer
B.Text Editor
C.Compiler
D.Application Editor
A.Binary Code
B.Object Code
C.Program Code
D.Source Code
A.Blaise Pascal
B.John von Neumann
C.Charles Babage
D.Herman Hollirith
A.This phase involves identifying and describing the fundamental software system abstractions and their relationships.
B.During this stage, the software design is realized as a set of programs or program units. It also involves verifying that each
A.Uses reusable software components
B.Structured Approach System is adopted
C.Make use of some Integrating Framework
D.Commercial Off-The-Shelf Systems
A.Reduced Code
B.Reducing the amount of software to be developed
C.Reducing Risk
D.Faster Delivery of the Software.
A.It is an abstract representation of a software process.
B.Each process model represents a process from a particular perspective
C.It makes Software Development Process complex
D.It provides only partial information about that process.
A.The conceptual level defines the physical view of the data
B.The data model is defined on this level
C.The main functions of the DBMS, such as queries, are on this level.
D.The conceptual level is an intermediary and frees users from dealing
A.It involves a lot of interviewing of potential users of the database to collect the information needed to be stored.
B.Entity-relationship model (ERM) is required which defines the entities for which some information must be maintained
C.It req
A.Abstract Database Model
B.Hierarchical Database Model
C.Network Database Model
D.Relational Database Model
A.When the application reaches completion it makes system calls
B.When the is prompted to quit, it makes system calls
C.System calls make sure that all data that needs to be saved has been written back to disk
D.User makes a final system call t
A.Initially, most distributed systems were homogeneous
B.Distributed systems design must focus on heterogeneous environments, treating homogeneous systems as special case
C.The probability of failure of an individual processing node in multi node
A.Component Analysis.
B.Requirements Modification.
C.Development and Integration.
D.System Design with Reuse.
A.Reducing the amount of software to be developed
B.Reducing Cost
C.Reducing Risk
D.Faster Delivery of the Software.
A.The internal level determines where data is actually stored on the storage devices.
B.This level deals with low-level access methods
C.This level deals with how bytes are transferred to and from storage devices
D.The internal level does not i
A.正确
B.错误
A.正确
B.错误
A.正确
B.错误
A.正确
B.错误
A.正确
B.错误