Question # 1

Each use case describes how the system reacts to a _____ that occurs to trigger the system.

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External entity

Data flow

Process

Event

When identifying the major use cases, the information needed to identify the use cases in contained in the.

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External entity

JAD session classification

Major steps for each use case

Observation form

Which of the following is not a key information system components.

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Design stability

Data

Data flow

Processing logic

A data dictionary is a part of a larger collection of project information called a

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Repository

Data flow diagram

Meta data file

Data structure

Which of the following highlights the feasibility report of an existing system.

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Data flow and processing

Information needs

Problem areas

Data storage

_________ relationship specifies an optional behavior

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A generalization

An inheritance

An include

An extend

An association must

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be described by nouns

Have attributes

Be described by a verb or nouns

Have a 1.M component

Which UML diagram the adds the dimension of time to object interactions.

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Communication diagram

Interaction overview diagram

Composite structure diagram,

Sequence diagram

Which is normally the most expensive method of fact finding technique.

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Building prototypes

Observing business processes

Reviewing existing reports

Interviewing users

In system design and development field what does spaghetti code mean.

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Programs witted in unstructured languages.

Well structured and weld documented code

Program code that has many GOTO statements.

Both b and c above

Which of the following reflects the project managers best guess of the amount of time an activity actuality requires for completion.

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Optimistic time

Passimistic time

realistic time

Physical time

Which of the following represents specific moment in time.

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Behavior

Properties

State

Method

Which of the definition of elements in system a data dictionary contain.

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Data flows

Processors

Data stores

All a ,b and c above

The four elements commonly found on a system request are.

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Economic, organizational technical and operational feasibility

Project sponsor business need requirement and business value

Risk analysis, familiarity project size and cost benefit analysis

Upgrades licensing fees repairs and charges.

Which UML diagram provides a variety of symbols and encompasses a number of ideas all to model the changes which just one object goes through.

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Package

Object

State

Class

Which will help analysis to work with users to determine system usage.

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Actor

Component

Class

Use case

Which of the following is a measure of the strength of association among object.

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cohesion

Coupling

Corollary

Collaboration

What is the other name of context diagram.

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Level 1 diagram

Level 2 diagram

Level 0 diagram

Level n diagram

Which technique hides the internal implementation detail of an object from its external view.

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Incorporation

Polymorphic

Encapsulation

Persistence

Object hide their inner workings of their operations from the outside world and from other object this is called.

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Composition

Encapsulation

Generalization

An object

Whole part or composition relationship represents.

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Aggregation

Inheritance

Polymorphism

Association

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PPSC Computer Science Chapter 22 Software Analysis & Designing Online Test MCQs With Answers

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