System Analysis and Design Set 24

Questions 231 to 240
231.
From the following identify the one which can’t be stored in CASE repository.
(a)
Data
(b)
Diagrams
(c)
Knowledge
(d)
Specifications
(e)
Descriptions.
232.
Consider the following Use Case diagram:
What are the system actors in the given Use Case diagram?
(a)
Clerk, Manager, Customer
(b)
Clerk, Manager, Bank network
(c)
Clerk, Manager
(d)
Clerk, Manager, Bank network, Customer
(e)
Manager, Bank network, Customer.
233.
Consider the following five models.
A.     Subject world model                             B. System world model
C.     Requirements model                             D. Analysis model
E.      Design Model
Considering the above models, which option from the below describe how the system works now in terms of the subject world, what users need in terms of the subject world and the required computer system in terms of the system world?
(a)
D, A, C
(b)
A, C, E
(c)
D, C, E
(d)
B, D, C
(e)
B, A, C.
234.
Entities, Attributes and Relationships are associated with
(a)
Logical concepts of data
(b)
Physical concepts of data
(c)
Logical and physical concepts of data
(d)
Persons of an organization
(e)
Both (b) and (d) above.
235.
Towards the failure of a particular systems development projects, which from the following given factors do/does not necessarily contribute?
(a)
Insufficient testing
(b)
A project that spans multiple departments
(c)
Inadequate or improper systems design
(d)
A lack of top management support
(e)
A lack of management and user involvement.
236.
With respect to viewpoint oriented analysis of a system, which of the following is not an advantage?
(a)
It allows the designer to incorporate different user views and requirements into the system
(b)
It provides an effective way of structuring non-functional requirements
(c)
It helps the analyst to identify conflicts among different view points
(d)
It helps to make different viewpoints independent of one another
(e)
It allows the analyst to identify the users of the system.
237.
From among the following, identify the legal data flows in a data flow diagram.
(a)
External entity to another external entity
(b)
Data Store to a process
(c)
Data Store to an external entity
(d)
External entity to a data store
(e)
Data store to a data store.
238.
To represent processes or work to be done, the shape used in Gane and Sarson representation is:
(a)
A rectangle
(b)
A rounded rectangle
(c)
A square
(d)
A circle
(e)
An ellipse.
239.
Given below are some statements associated with data flow diagrams. Identify the correct statement among them.
(a)
Data flows in a DFD may be bidirectional
(b)
The level 0 DFD only consists of the main process
(c)
The level 0 DFD is the same as the context diagram
(d)
Data can flow directly from a data store to an external agent
(e)
Every process in a DFD must connect to two other processes.
240.
Which of the following is a fact-finding technique?
(a)
Quality assurance
(b)
Prototyping
(c)
Systems requirement specification
(d)
Sampling of existing documents
(e)
Rapid application development.


Answers
231.
c
Because the knowledge can’t be stored in the CASE repository.
232.
A
Because Bank network can never be an actor.
233.
c
The other options are wrong.
234.
a
Because Entities, Attributes and Relationships are associated with only logical concepts of data.
235.
b
Towards the failure of a particular systems development projects, a project that spans multiple departments do/does not necessarily contribute?
236.
d
As the other all the options are advantages.
237.
b
As the other all the options are illegal.
238.
b
The other options are wrong.
239.
a
As all the other options are wrong.
240.
d
Because, Sampling of existing documents is one of the fact-finding technique.



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