System Analysis and Design Set 26

Questions 251 to 260



251.
A data dictionary is a part of a larger collection of project information called a
(a)  Repository                                                      (b)  Data flow diagram                
(c)  Metadata file
(d)  Data structure                                                (e)  Decision table.
252.
Technical detailed specifications of all system elements are the product of
(a)  Logical design                                                (b)  Physical design      (c)  Analysis
(d)  Implementation                                            (e)  Maintenance.
253.
During the analysis phase, the project team
(a)    Describes the functional features of the system chosen for development in the previous phase
(b)    Studies the organization's current procedures and the information systems used to perform organizational tasks
(c)     Determines the scope of the proposed systems and produces a specific plan for the proposed project
(d)    Codes, tests, and installs the new system
(e)     None of the above.
254.
Which of the following reflects the project manager's "best guess" of the amount of time an activity actually requires for completion?
(a)  Optimistic time                                              (b)  Pessimistic time     (c)  Realistic time
(d)  Logical time                                                   (e)  Physical time.
255.
Cost reduction and avoidance, error reduction and increased speed of activity are examples of
(a)  Intangible costs                                             (b)  Tangible costs
(c)  Tangible benefits                                           (d)  Intangible benefits
(e)  None of the above.
256.
The willingness and ability of management, employees, customers, suppliers and so-forth of an organization to operate, use and support a proposed system is known as
(a)  Economic feasibility                                     (b)  Cost/benefit analysis
(c)  Technological feasibility                              (d)  Operational feasibility
(e)  Specification feasibility.
257.
Which of the following describes the changes made to a system to add new features or to improve performance?
(a)  Corrective maintenance                              (b)  Adaptive maintenance
(c)  Perfective maintenance                               (d)  Preventive maintenance
(e)  Productive maintenance.
258.
Prototyping is most useful for requirement determination
(a)    When there is a tendency to avoid creating formal documentation
(b)    When multiple stakeholders are involved in the system
(c)     When tools and data are not readily available to rapidly build systems
(d)    When user requirements are not well understood
(e)     When multiple stake holders are not involved in the system.
259.
The lowest level of decomposition for a data flow diagram is a
(a)  Primitive DFD                                                (b)  Unit DFD                (c)  Context DFD
(d)  Level-0 DFD                                                   (e)  Level-1 DFD.
260.
Which of the following represents the correct sequence of testing activities?
(a)    Unit testing, system testing, module testing, integration testing, acceptance testing
(b)    Unit testing, volume testing, integration testing, system testing, acceptance testing
(c)     Unit testing, integration testing, system testing, module testing, acceptance testing
(d)    Unit testing, module testing, integration testing, system testing, acceptance testing
(e)     Unit testing, system testing, integration testing, volume testing, acceptance testing.



Answers




251.
Answer :   (a)
Reason :   A data dictionary is a part of a larger collection of project information called a repository.
252.
Answer :   (b)
Reason :   Technical detailed specifications of all system elements are products of physical design
253.
Answer :   (b)
Reason :   During the analysis phase, the project team studies the organization’s current procedures and the information systems used to perform organizational tasks.
254.
Answer :   (c)
Reason :   Realistic time reflects the project manager’s “ best guess” of the amount of time an activity actually requires for completion.
255.
Answer :   (c)
Reason :   Cost reduction and avoidance, error reduction and increased speed of activity are examples of tangible benefits.
256.
Answer :   (d)
Reason :   The willingness and ability of management, employees, customers, suppliers and so-forth of an organization to operate, use and support a proposed system is known as operational feasibility.
257.
Answer :   (c)
Reason :   Perfective maintenance describes the changes made to a system to add new features or to improve performance.
258.
Answer :   (d)
Reason :   Prototyping is most useful for requirement determination when user requirements are not well understood.
259.
Answer :   (a)
Reason :   The lowest level of decomposition for a data flow diagram is a primitive DFD.
260.
Answer :   (d)
Reason :   Unit testing, module testing, integration testing, system testing, Acceptance testing.



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