Question # 1

in which phase of the SDLC is the system proposal developed.

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Analysis

Design

Implementation

Planning

The data dictionary in SDLC contains description of.

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DFD elements

E-R Diagram

Use case

Class diagram

Which of the following represent a built in extensibility mechanism of the UML.

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Note

meta model

Stereotype

Class

An entity class is a class that

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Does not appear in the class diagram

Relates to the class diagram

exists in the real world and in the class diagram

Exists in the data world but not int he real model

A subclass inherits is parents is.

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Attribute links

Attributes, operations

Attributes, operations, relationships

Methods links

___________ are not parts of the system the represent anyone or anything that must interact with the system.

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Use cases

Actors

Components

None of the above

What is the other name for Encapsulation.

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Information hading

Interface management

Polymorphism

Aggregation

How the basis of a generalization is specified on a class diagram.

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extends relationship

Discriminator

Event

Message

The process of converting a new or revised system design into an operational one is known as.

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Testing

Implementation

Quality assurance

Design

Which of the following are UML interaction diagrams.

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Activity diagram

Sequence diagram

Collaboration diagram

Both b and c above

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 of the following UML diagram provides static structure of a system.

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Class diagram

Sequence diagram

State diagram

Activity diagram

Who is not involved in requirements definition.

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Client managers

System end users

Client engineers

Software developers

Cost reduction and avoidance eror reduction and increased speed of activity are example's of

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Intangible costs

Tangible benefits

Intangible benefits

None of the above

The method that is used to assess economic feasibility is called.

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analysis of the time value of money

Cost analysis

Source and used of funds analysis

Implementation cost analysis

To which component of data flow diagram the following product number quantity in stock and the suppliers, name belong to.

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Data

Data flow

Information

Entity

The type of prototype used during the analysis phase is the

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Design prototype

Evolving porotype

Discovery prototype

Reviewing prototype

A data store is represented in data flow diagram as.

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Rectangle

Square

Open rectangle

Open square

Which of the following are considered usual steps in systems development life cycle.

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systems analysis

systems design

Testing

Implementation

Some object oriented system permit a class to inherit its state and behaviors from more than one super class this is called.

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Multiple inheritance

Inheritance

specialization

Aggregation

Which among the followed the steps for computing income tax.

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Data

Data flow

Processing logic

Data store

More Classes

Other Links

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

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