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Catégorie	Technique
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Crée / Actualisé	08.06.2020 / 12.05.2025
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Which statements about the challenges of digitalization for companies are correct?

In digitalization, a company focuses on potential customer benefits.

A company tries to take the customer's perspective during digitalization.

A company avoids competition with other companies during digitalization.

The company tries to create added value for the customer during digitalization.

Which statements about Industry 4.0 are correct?

In the Industry 4.0 approach, the conversion is first implemented in individual "use cases".

Industry 4.0 is a combination of technologies, methods, models, data, services and processes.

Industry 4.0 is independent of the value chains of market services.

An important prerequisite for the implementation of industry 4.0 concepts are lean processes.

Which statements regarding the definitions of information technology (IT) and information systems (IS) are correct?

IT deals with the presentation, storage, transmission and processing of information

IS deals first of all with the technical aspects of business IT.

IS deals with all activities around development, introduction, operation, use and replacement of information systems..

IT deals exclusively with the distribution of information within companies.

Which statements about Industry 4.0 are correct?

Industry 4.0 describes the third industrial revolution combining mechanization and electrification.

Industry 4.0 describes the approach of tapping new potentials from the networking of people, products, machines, systems and companies.

Industry 4.0 is to be understood as a concept.

Industry 4.0 is also a buzzword for the technology-driven upheaval of the information age.

Which statements about business information systems and information systems are correct?

Design-oriented business information systems always considers information systems to be unchangeable.

Information systems are socio-technical ("man-machine") systems.

One goal of business information systems is the design of socially acceptable, technically stable and economically sustainable information systems.

Business information systems can be understood as an "interdisciplinary field between business administration and computer science".

Which statements about Industry 4.0 are correct?

Industry 4.0 refers to digitalization and networking.

Industry 4.0 refers to the combination of different methods and digital technologies.

Industry 4.0 sees itself as a further development of industrial production

Industry 4.0 refers to a single, new analog technology.

Which of the following aspects belong to the requirements for a database management system?

No redundancy

Data independence

Single-user operation

Usability

What tasks does a database management system have?

Make data available to all users, regardless of their authorization.

Restore a correct database state in case of errors.

Protect data from unauthorized access.

Precautions against possible errors due to incorrect input, system errors or multiple access.

Which statements regarding processing, access and storage of data with files are correct?

No continuous indexing is necessary for random or direct access.

The data do not have to be sorted in random or direct processing.

All data are stored next to each other for random or direct access.

The optional or direct storage is particularly suitable for master data.

A GUEST books different HOTEL ROOMS, a HOTEL ROOM is booked by different GUESTS.

n:m relationship

1:n relationship

1:1 relationship

A FATHER can have several CHILDREN, a CHILD has only one biological FATHER.

1:1 relationship

1:n relationship

n:m relationship

A PERSON has a valid PASSPORT, a valid PASSPORT always belongs to a PERSON.

n:m relationship

1:1 relationship

1:n relationship

One BANK CLIENT has one personal CONSULTANT, one CONSULTANT supports several BANK CLIENTS.

1:n relationship

1:1 relationship

n:m relationship

What can be improved by good data organization in middle management (leading level)

Effectiveness (doing the right thing)

Efficiency (doing things right)

Strategy and planning

What can be improved by good data organization in employees (operational level)

Effectiveness (doing the right thing)

Efficiency (doing things right)

Strategy and planning

What can be improved by good data organization in management (strategic level)

Efficiency (doing things right)

Strategy and planning

Effectiveness (doing the right thing)

Which of the following statements describe the main requirements for database management systems from the user's perspective?

Different access rights to the data must be possible for different user groups.

The data is protected against system, program and hardware errors.

The data is independent of the logical and physical data organization.

The dataset must be analyzable and linked according to arbitrary criteria.

One EMPLOYEE processes several ORDERS, one ORDER is processed by exactly one EMPLOYEE.

1:1 relationship

1:n relationship

n:m relationship

Several ARTICLES are assigned to an ORDER, one ARTICLE can be assigned to several ORDERS.

n:m relationship

1:n relationship

1:1 relationship

Several ARTICLES can be obtained from one SUPPLIER, one ARTICLE can be obtained from several SUPPLIERS.

1:1 relationship

1:n relationship

n:m relationship

A CUSTOMER makes several ORDERS, one ORDER is always made by a CUSTOMER.

n:m relationship

1:n relationship

1:1 relationship

Which statements about the representation of the conceptual data model (ER model) are correct?

Attributes, if represented in an ER model are drawn as ellipses

Object types are displayed as rhombuses.

From an object type, relationship types are always drawn for all other object types.

The cardinality is indicated with characters (1, n or m) on the lines between the relationship types and the object types.

Which statements about data organization are correct?

An advantage of data organization with databases is that in principle a redundancy-free dataset is possible.

An advantage of data organization with databases is that data is separated from applications by a database management system and the data can be processed by any application.

A disadvantage of data organization with databases is the high maintenance and modification effort.

An advantage of file-based data organization is that it is possible to merge and evaluate multiple files without time-consuming sorting and search operations.

Tasks for management (strategic level) are

Planning for the future

Disposition and control

Routine Work

Tasks for middle management (leading level) are

Planning for the future

Disposition and control

Routine work

Tasks for employees (operational level) are

Planning for the future

Disposition and control

Routine work

Which definitions in the context of database systems are correct?

A database management system is a software suite for managing databases.

A database system consists of one or more databases and a database management system (DBMS).

A database system stores and manages data individually in files using a file system.

A database is a collection of structured, content-related data.

Which statements on the step-by-step procedure for designing and implementing data structures are correct?

In the third step, the conceptual data model is transferred to the logical data model.

In the fourth step, the logical data model is checked for redundancies using normalization.

In the first step, the conceptual data model is available, including the acquisition of all relevant attribute values.

In the fifth and final step, the data model that is formulated as a drawing is transformed into a text format.

Which statements about the client-server architecture are true?

In the client-server architecture, the scope of services of a program can be divided between the logical components "presentation", "processing" and "data storage".

A server can act as a client again and request services from another server.

The client always corresponds to the web browser (since nowadays all client-server applications are operated in the Internet or Intranet).

In a client-server application, a "thin client" loads the server less than a "rich client".

Which statements about bits and bytes are correct?

One bit can only take two values, which are often represented by the numbers "0" and "1".

Storage sizes (e.g. RAM, hard disk) are specified in bits and multiples (e.g. kilobits)

With one byte of eight bits exactly 256 different values can be represented.

One byte is a sequence of eight bits.

Which statements about the "community cloud" are correct?

The management of the cloud infrastructure can be managed by the organization or a third party.

The cloud infrastructure supports a specific user community that has common concerns.

The cloud infrastructure is supported by several organizations.

The cloud infrastructure must contain at least three different clouds.

Which statements about the "Von Neumann architecture" are correct?

The central processing unit (CPU) is the unit which performs most of the processing inside a computer.

Each central processor has the two components: control unit and calculator.

The central unit of a computer is divided into main memory, central processor and external hard disk (disk).

The main memory of a computer consists of random-access memory (RAM) and read-only memory (ROM).

If only CPU and memory (virtualized hardware) are provided.

Infrastructure-as-a-Service (IaaS)

Software-as-a-Service (SaaS

Platform-as-a-Service (PaaS)

If complete applications, such as word processor, are provided.

Infrastructure-as-a-Service (IaaS)

Software-as-a-Service (SaaS)

Platform-as-a-Service (PaaS)

If at least operating systems and e.g. a web server are provided.

Infrastructure-as-a-Service (IaaS)

Software-as-a-Service (SaaS)

Platform-as-a-Service (PaaS)

The computer reads a text via speech synthesis.

Acoustic data output

Visual data output

Data is displayed on a screen.

Acoustic data output

Visual data output

The digital blueprints of a building are printed in A0 format.

Acoustic data output

Visual data output

MP3 files are output via the headphones.

Acoustic data output

Visual data output

Which statements about data input are correct?

With special characters it is not possible to create coded information (CI).

Indirect data input with punch cards is still dominant and still widely used.

Coded Information (CI) are primarily characters that represent numbers and letters.

Semi-direct data entry uses original documents (e.g. paper) or plastic cards.

Information Management - Part 1/2

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