Buisness Informatics Theory

SATs for Introduction to Buisness Informatics. Distance learning UAS TW

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Flashcards	63
Language	English
Category	Computer Science
Level	University
Created / Updated	25.10.2015 / 20.03.2018
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Study

Which one of the following is not an aspect which has to be considered for a make-or-buy decision?

Select one:

Time

Liquidity

Quantity

Costs

Which step is not included in the standard software life cycle?

Select one:

Operation

Employees Training

SW Selection

SW Introduction

The selection process of software comprises the steps...

Select one:

pre-selection, definition of selection criteria and final selection.

pre-selection, detailed selection and closing selection.

post-selection, detailed selection and final selection.

pre-selection, detailed selection and final selection.

Which one of the following is NOT an object oriented concept?

Select one:

Classification

Inheritance

Polymorphism

Encapsulation

Relationships between actors of a Use Case Diagram are only modeled, when …

Select one:

the participating actors have more relationships to Use Cases, than other actors.

the participating actors of the relationship are more important than other actors.

the participating actors are systems.

the illustration of the relationship is needed for the closer understanding of the system or leads to a better readability of the Use Case Diagram.

Which primitive UML data type is used for the logical expressions “true” andr “false”?

Select one:

Integer

Boolean

String

Unlimited/ natural

Which artifact can NOT be documented in the UML?

Select one:

Tests

Requirements

Design

Reports

The UML has three main data types. Which data type could be used for the definition of a so called "user-defined value-list”?

Select one:

Self-defined type

Enumeration type

Undefined type

Primitive type

By which notation element could an input-flow or output-flow be illustrated in a Use Case Diagram?

Select one:

Synchronous association

Asynchronous association

Directed association

Binary association

The most important difference between the <<include>>-relationship and the <<extend>>-relationship is, ...

Select one:

that the extended Use Case is executed every time, when the Use Case, which extends this Use Case, is executed. In contrast, the include relationship means, that the Use Case could, but most not be included by the other Use Case.

the difference in their key words.

that the Use Case, which extends another Use Case is mostly not complete, but a Use Case, which is included by another Use Case is mostly complete.

that the included Use Case is executed every time, when the Use Case, which includes this Use Case, is executed. In contrast, the extend relationship means, that the Use Case could be, but does not have to be extended by the other Use Case.

An extension point is …

Select one:

nothing important.

a period of time, during which the behaviour of a Use Case is extended.

a system failure, which leads to the extension of the behaviour of a Use Case.

a specific point of time, at which the behaviour of a Use Case is extended.

Each Use Case Specification contains zero to many ...

Select one:

Basic Flows.

Use Case Diagrams.

Systems.

Alternative Flows.

Which one of the following artefacts is NOT part of a Use Case Specification?

Select one:

Precondition

Postcondition

Use Case Flows

UML Glossary

The sequencing of Use Cases can only be done by ...

Select one:

the definition of a Supplementary Specification.

the numbering of Use Cases.

the definition of pre- and post-conditions of Use Cases.

the definition of Alternative Flows.

A Use Case Scenario ...

Select one:

are many ways through the Use Case from the begin to the end of the Use Case.

is one way through the Use Case from the begin to the end of the Use Case.

is the Basic Flow of a Use Case.

is the Alternative Flow of a Use Case.

Each Use Case Specification contains exactly one ...

Select one:

Use Case Scenario.

Sub Flow.

Basic Flow.

Alternative Flow.

For referencing witihn Use Case Specifications each ...

Select one:

step of the Alternative Flows has to be numbered.

actor has to be numbered.

step of the Sub Flows has to be numbered.

step of the Basic Flow has to be numbered.

The Supplementary Specification contains ...

Select one:

interface descriptions between system actors.

interface descriptions between Use Cases.

non-functional system requirements (as for example usability, support etc.).

functional system requirements (as for example maintain employee etc.).

The description of an Alternative Flow has to contain ...

Select one:

the start location, consequence, action and end location.

the precondition, Use Case and postcondition.

the Use Case, consequence, action and end location.

the start location, condition, action and end location.

The initial point of the step-by-step creation of an ERM is…

Select one:

the realization of compound attributes.

the modeling of the diagram.

the textual description of the task settings.

the identification of attributes, entities and relationships.

Within a reflexive relationship, an entity is connected with…

Select one:

an arbitrary number of other entities.

exactly one other entity.

no other entity.

itself.

Within the complex relationship, an arbitrary number of entities on the one side…

Select one:

cannot face any entity on the other side.

can face exactly one entity on the other side.

can face also an arbitrary number of entities on the other side.

can face zero to one entities on the other side.

Link attributes are dissolved by…

Select one:

creating a new relationship.

creating a new entity, which includes the link attribute.

deleting the link attribute.

inserting the link attribute in one of the connected entities.

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Buisness Informatics Theory

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