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 CS504 2010

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Location : islamabad

PostSubject: CS504 2010   Mon May 31, 2010 5:05 pm

Question No: 1 ( Marks: 1 ) - Please choose one
Most software continues to be custom built because
► Software is easier to build without using someone else's components.

► Off the shelf software components are not commonly available

► Component reuse is common in the software world
► Reusable components are too expensive to use

Question No: 2 ( Marks: 1 ) - Please choose one
Which of the items listed below is not one of the software engineering layers?

► Tools

► Process

► Manufacturing

► Methods


Question No: 3 ( Marks: 1 ) - Please choose one
Which of these people would not be likely to part of the FAST team?

► hardware and software engineers
► manufacturing representative

► marketing representatives

► senior financial officers


Question No: 4 ( Marks: 1 ) - Please choose one
An state transition can only occur when triggered by a(n)________________
► actor
► collaboration attempt
► event
► none of the given

Question No: 5 ( Marks: 1 ) - Please choose one
A change becomes ------------- because of close presence of data and fucntions






► Localized
► Private
► Global
► Accessible

Question No: 6 ( Marks: 1 ) - Please choose one
A process which does not take input is called
► miracle process
► core porcess
► secondary process
► all of the above

Question No: 7 ( Marks: 1 ) - Please choose one
Data Store notation in DFDs presents.
► Data input
► Data output
► Data input and Data output
► non of the given

Question No: 8 ( Marks: 1 ) - Please choose one
Coupling is a measure of ----------------of a module or component.

► Independent
► Dependent
► Closeness
► All of the given

Question No: 9 ( Marks: 1 ) - Please choose one
If a problem is identified and fixed at a -------stage in the software development process, it will cost much more than if it was fixed at and --------stage.

► eralier & lator
► after & before
► none of the above
► lator and earlier

Question No: 10 ( Marks: 1 ) - Please choose one
Once these requirements have been finalized, the ---------------- process starts.

► Construction
► Development
► Mentainance phase
► Construction and Development

Question No: 11 ( Marks: 1 ) - Please choose one
Identifying Whole-Part structures (Aggregations) means what are my ----------------
► Components
► Structures
► Objecs
► Classes

Question No: 12 ( Marks: 1 ) - Please choose one
Data design actually begins during the creation of the analysis model, not the architectural model.
► True
► False

Question No: 13 ( Marks: 1 ) - Please choose one
System Architecture is important to consider becasue it helps in making -------------
► Mutual communication.

► Early design decisions.

► Reusable abstraction of a system.

► All of the above

Question No: 14 ( Marks: 1 ) - Please choose one
Software architecture is "the ---------- of the components of a program/system,
their interrelationships, and principles and guidelines governing their design and
evolution over time."

► combination
► collection
► structure
► unification

Question No: 15 ( Marks: 1 ) - Please choose one
Cohesion is about making sure each component does _____ thing and does it well.

► three
► two
► infinite
► one

Question No: 16 ( Marks: 1 ) - Please choose one
Following are some statements associated with data flow diagrams. Identify the correct statement from among them.

► DFDs are used to model complex interfaces.
► DFDs are used to represent only functional processing, data stores and data movements between functions.
► DFDs depict only processes which can be decomposed.
► DFDs do not show external data sources and external data sinks.

Question No: 17 ( Marks: 2 )
To manage the complexity of the system we need to apply the principles of separation of concern. Discuss briefly.


Question No: 18 ( Marks: 2 )
What is elaborated Usecase? Explain it

Question No: 19 ( Marks: 2 )
What is Software Architecture?

Question No: 20 ( Marks: 3 )
What notation is used for Sequence Diagrams? Draw it graphically.

Question No: 21 ( Marks: 3 )
How can we decrease Coupling explain it.

Question No: 22 ( Marks: 5 )
Narrate some of the architectural design guidelines that can help in addressing non-functional requirements challenges.


Question No: 23 ( Marks: 5 )
What is the importance of Classification in identifying Classes and objects ?


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Posts : 638
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Location : islamabad

PostSubject: Re: CS504 2010   Tue Jun 01, 2010 4:40 pm

Question No: 1 ( Marks: 1 ) - Please choose one
By following modern system engineering practices simulation of reactive systems
is no longer necessary
► True

► False


Question No: 2 ( Marks: 1 ) - Please choose one

The state transition diagram

► depicts relationships between data objects
► depicts functions that transform the data flow


► indicates how data are transformed by the system

► indicates system reactions to external events

Question No: 3 ( Marks: 1 ) - Please choose one
Control flow diagrams are

► needed to model event driven systems.


► required for all systems

► used in place of data flow diagrams

► useful for modeling user interfaces

Question No: 4 ( Marks: 1 ) - Please choose one
A change becomes ------------- because of close presence of data and functions


► Localized

► Private

► Global

► Accessible

Question No: 5 ( Marks: 1 ) - Please choose one

A complex System evolves from a

► smaller system

► medium sysetem

► bigger system

► non of the given

Question No: 6 ( Marks: 1 ) - Please choose one

Coupling is a measure of ----------------of a module or component.



► Independent

► Dependent

► Closeness

► All of the given

Question No: 7 ( Marks: 1 ) - Please choose one
Software Maintenance phase involves



► Debugging

► Adding new features

► making changes

► all of the given

Question No: 8 ( Marks: 1 ) - Please choose one

The hardest single part of building a software system is deciding precisely ----------- to

build.



► what

► How

► When

► Why

Question No: 9 ( Marks: 1 ) - Please choose one

Interaction Diagrams depict the ------------- Behavior of the system

► Static

► Dynamic

► Active

► Non of the above

Question No: 10 ( Marks: 1 ) - Please choose one

In Sequence Diagrams the time required by the receiver object to process the message is denoted by an---------------





► Activation Box

► Simple Box

► Arrow

► Non of the above

Question No: 11 ( Marks: 1 ) - Please choose one
A poorly designed interface can cause a user to make catastrophic errors is one of the motivations for GUI.



► True

► False

Question No: 12 ( Marks: 1 ) - Please choose one

Identifying System Features include ------

► log important information



► conduct business



► analyze business results



► all of the above

Question No: 13 ( Marks: 1 ) - Please choose one

Establishing responsibilities for objects includes

► Generalization Relationships

► Specialization Relationships

► all of the above

► identifying Association relationships

Question No: 14 ( Marks: 1 ) - Please choose one
Which of the following is a fact finding method?


► Site visits

► Prototyping
► Study of similar systems
► All of given

Question No: 15 ( Marks: 1 ) - Please choose one
Windows mobile is a popular mobile operating system which seen commonly on PDAs. Which of the following category pair(s) best describe(s) it?


► application software, embedded software
► system software, web-based software ► application software, scientific software
► system software, embedded software

Question No: 16 ( Marks: 1 ) - Please choose one
The Object Oriented approach


► improves the reusability of codes.

► makes objects less independent.
► increases testing time.
► complicates mapping of a system model to an implementation model.

Question No: 17 ( Marks: 2 )
Define abstraction ?
Question No: 18 ( Marks: 2 )

Is the design of software architecture a creative process?





Question No: 19 ( Marks: 2 )
Suppose you are working as a software engineer involved in the development of an e-commerce website. What are the 2 most important characteristics your software must have?




Question No: 20 ( Marks: 3 )
What is the purpose of collaboration diagrams?


Question No: 21 ( Marks: 3 )

What is the difference between Aggregation and Association?





Question No: 22 ( Marks: 5 )
what parameters are used to measure and analyze design quality?


Question No: 23 ( Marks: 5 )
How the objects are identified in Peter codd’s technique?
*******************************************************************************************


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Posts : 638
Points : 2155
Reputation : 19
Join date : 2010-05-15
Age : 29
Location : islamabad

PostSubject: Re: CS504 2010   Wed Jun 02, 2010 8:58 am

Question No: 1 ( Marks: 1 ) - Please choose one


The first step in any OOA process model is to____________________

► build an object-relationship model

► define collaborations between objects

► elicit customer requirements

► select a representation language



Question No: 2 ( Marks: 1 ) - Please choose one


Dynamic components of an OOA model are ____________________

► not reusable

► sensitive to timing and event processing

► stable throughout the operational life of an application

► structural in nature



Question No: 3 ( Marks: 1 ) - Please choose one


Events occur whenever a(n)_________________

► actor and the OO system exchange information

► class operation is invoked

► messages are passed between objects

► all of the given



Question No: 4 ( Marks: 1 ) - Please choose one


By following modern system engineering practices simulation of reactive systems
is no longer necessary

► True


► False




Question No: 5 ( Marks: 1 ) - Please choose one


Information flow represents the manner in which data and control


► are related to one another.

► changeas each moves through the system.


► will be implemented in the final design.


► none of the given



Question No: 6 ( Marks: 1 ) - Please choose one


Which view should be consider first during software requirements analysis?


► actor view


► data view


► essential view


► implementation view




Question No: 7 ( Marks: 1 ) - Please choose one


State Transition Diagram is helpful in determining

► Business Understanding

► Process Flow

► Data store

► Non of the given



Question No: 8 ( Marks: 1 ) - Please choose one


A better Design has an objective achieve

► High Cohesion

► Low Cohesion

► Low Coupling

► High cohesion and Low coupling



Question No: 9 ( Marks: 1 ) - Please choose one


The process of defining attributes is called


► What I know

► Who know me

► Whom I know

► Non of the above



Question No: 10 ( Marks: 1 ) - Please choose one


Which of the following is not an objective for building an analysis model?


► define set of software requirements

► describe customer requirements


► develop an abbreviated solution for the problem


► establish basis for software design




Question No: 11 ( Marks: 1 ) - Please choose one


The output of this design process is a description of the


► Software Architecture

► Software Code

► Software

► Non of the above



Question No: 12 ( Marks: 1 ) - Please choose one


Which of these characteristics are true of a data warehouse, but not a typical database?

► business level orientation and large size

► currency and correctness of information

► integration and non volatility

► all of the given



Question No: 13 ( Marks: 1 ) - Please choose one


Identifying System Features include ------

► log important information


► conduct business


► analyze business results


► all of the above



Question No: 14 ( Marks: 1 ) - Please choose one


The two main documents produced during this phase are Requirement Statement and
Requirement Specification. They are also called Requirement Definition and ----------------

► Functional Specification



► Mathematical specification

► System Specification

► None of the given



Question No: 15 ( Marks: 1 ) - Please choose one


Project ------------- defines the concept and range of the proposed solution, and limitations
identify certain capabilities that the product will not include


► Scope

► Agreement

► Plan

► None of the given



Question No: 16 ( Marks: 1 ) - Please choose one


Windows mobile is a popular mobile operating system which seen commonly on PDAs. Which of the following category pair(s) best describe(s) it?


► application software, embedded software

► system software, web-based software

► application software, scientific software

► system software, embedded software



Question No: 17 ( Marks: 2 )


Define abstraction


Question No: 18 ( Marks: 2 )


What is Software Architecture?


Question No: 19 ( Marks: 2 )


Suppose you are working as a software engineer involved in the development of an e-commerce website.

What are the 2 most important characteristics your software must have?



Question No: 20 ( Marks: 3 )


What is the purpose of collaboration diagrams?



Question No: 21 ( Marks: 3 )


It is a fact that a good design makes maintenance easier. List a design principle which helps this to be
achieved.



Question No: 22 ( Marks: 5 )


Discuss the relationship between Sequence diagrams and logical complexity


Question No: 23 ( Marks: 5 )


what is the difference between Association and composition?


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PostSubject: Re: CS504 2010   Today at 8:11 am

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