Fachvokabular Informatik: Online-Quiz für Studierende

Question 1

What is the term that describes the physical components of a computer?

Accepted Answer

Hardware

Answer

Software

Answer

Algorithm

Answer

Programming language

Question 2

Which programming language is commonly used for developing web applications?

Accepted Answer

JavaScript

Answer

C++

Answer

Python

Answer

Java

Question 3

What algorithm is used for searching an element in a sorted list?

Accepted Answer

Binary search

Answer

Depth-first search

Answer

Breadth-first search

Answer

Dijkstra's algorithm

Question 4

Which command is used in C++ to open a file?

Accepted Answer

fopen

Answer

open

Answer

read

Answer

write

Question 5

Which network architecture uses a decentralized structure without a central server?

Accepted Answer

Peer-to-peer

Answer

Client-server

Answer

Host-based

Answer

Cloud-based

Question 6

Which command is used in Java to create a new object?

Accepted Answer

new

Answer

create

Answer

allocate

Answer

initialize

Question 7

Which cloud computing service category provides access to computing power on demand?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Answer

Backend as a Service (BaaS)

Question 8

What is the most accurate definition of an algorithm?

Accepted Answer

A set of clear instructions to solve a problem.

Answer

A visual representation of an algorithm's steps.

Answer

A mathematical formula for solving a problem.

Answer

A language used to write algorithms.

Question 9

Which of the following is NOT a data structure?

Accepted Answer

Algorithm

Answer

Array

Answer

Hash table

Answer

Tree

Question 10

What is the primary function of a compiler?

Accepted Answer

To translate high-level code into machine code

Answer

To interpret high-level code and execute it

Answer

To check the syntax of a program

Answer

To store data in memory

Question 11

Which programming paradigm is emphasized in Java and C++?

Accepted Answer

Object-oriented programming

Answer

Procedural programming

Answer

Functional programming

Answer

Logic programming

Question 12

What is the key difference between a variable and a constant in programming?

Accepted Answer

A variable can be modified, while a constant cannot.

Answer

A constant can be modified, while a variable cannot.

Answer

A variable is stored in memory, while a constant is stored in a register.

Answer

A constant is stored in memory, while a variable is stored in a register.

Question 13

What is the primary purpose of a network protocol?

Accepted Answer

To establish rules for communication between devices on a network

Answer

To provide a graphical user interface for network configuration

Answer

To encrypt data transmitted over a network

Answer

To store data on a network

Question 14

Which cloud computing service model provides access to computing resources and infrastructure?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Software as a Service (SaaS)

Answer

Platform as a Service (PaaS)

Answer

Function as a Service (FaaS)

Question 15

What is the primary distinction between a web browser and a search engine?

Accepted Answer

A web browser displays web pages, while a search engine searches for web pages.

Answer

A search engine displays web pages, while a web browser searches for web pages.

Answer

A web browser creates web pages, while a search engine searches for web pages.

Answer

A search engine creates web pages, while a web browser searches for web pages.

Question 16

Which type of security threat involves malicious software that can harm a computer system?

Accepted Answer

Malware

Answer

Phishing

Answer

Hacking

Answer

Spam

Question 17

Which hardware component is used to store data permanently?

Accepted Answer

Hard Drive

Answer

RAM

Answer

CPU

Answer

Graphics Card

Question 18

Which of the following languages is considered a low-level programming language?

Accepted Answer

Assembly

Answer

Python

Answer

C++

Answer

Java

Question 19

What is the primary function of a compiler?

Accepted Answer

To translate source code into machine code

Answer

To execute programs

Answer

To detect syntax errors

Answer

To store data

Question 20

What is the main responsibility of an operating system?

Accepted Answer

To manage hardware and software resources

Answer

To run applications

Answer

To store files

Answer

To provide a user interface

Question 21

What is the purpose of using a firewall?

Accepted Answer

To prevent unauthorized access to a network

Answer

To detect viruses

Answer

To improve network speed

Answer

To store data

Question 22

What is the key difference between a variable and a constant?

Accepted Answer

Variables can be changed, while constants cannot

Answer

Constants can be changed, while variables cannot

Answer

Variables store data, while constants store functions

Answer

Constants store data, while variables store functions

Question 23

Which of the following is classified as a high-level programming language?

Accepted Answer

Python

Answer

C

Answer

Assembly

Answer

Machine code

Question 24

What is the primary function of a compiler in software development?

Accepted Answer

Converts high-level code into machine code

Answer

Interprets high-level code during runtime

Answer

Assists in rapidly writing code

Answer

Debugs code for errors

Question 25

Which of the following options accurately defines a data structure?

Accepted Answer

A method of organizing and storing data

Answer

A named location in memory that can store a single value

Answer

A block of code that performs a specific task

Answer

A construct that allows for multiple executions of code

Question 26

Which of the following best describes what an algorithm is?

Accepted Answer

A finite set of well-defined instructions to solve a problem

Answer

A software program that implements an algorithm

Answer

A data structure for storing information

Answer

A function that performs a specific operation

Question 27

What is the primary purpose of a database?

Accepted Answer

Storing and managing data effectively

Answer

Performing complex calculations on data

Answer

Displaying data on a user interface

Answer

Transmitting data over networks

Question 28

What is the main function of a firewall?

Accepted Answer

Protecting a computer network from unauthorized access

Answer

Enhancing the performance of a network

Answer

Storing data securely

Answer

Transmitting data over networks

Question 29

What is the primary purpose of a search engine?

Accepted Answer

Locating information on the internet

Answer

Displaying advertisements

Answer

Tracking user activities

Answer

Sending spam emails

Question 30

What is the primary function of a compiler?

Accepted Answer

To translate high-level code into machine code

Answer

To store data in memory

Answer

To run programs

Answer

To debug code

Question 31

What is the main purpose of a firewall?

Accepted Answer

To prevent unauthorized access to a network

Answer

To store user data

Answer

To enhance internet connection speeds

Answer

To run web servers

Question 32

What is the core functionality of a Database Management System (DBMS)?

Accepted Answer

Storing and managing data

Answer

Generating reports

Answer

Creating user interfaces

Answer

Running software programs

Question 33

What is the primary purpose of a user interface (UI)?

Accepted Answer

To facilitate user interaction with a system

Answer

To store data

Answer

To process user input

Answer

To generate reports

Question 34

What is the primary purpose of an algorithm?

Accepted Answer

To provide a step-by-step solution to a problem

Answer

To store and manage data

Answer

To display information on a screen

Answer

To allow users to interact with a computer

Question 35

Which unit is used to measure the storage capacity of computer devices?

Accepted Answer

Byte

Answer

Bit

Answer

Hertz

Answer

Pixel

Question 36

Which network protocol is widely used for communication on the internet?

Accepted Answer

TCP/IP

Answer

HTTP

Answer

FTP

Answer

SMTP

Question 37

What is the term for a sequence of instructions that directs a computer's actions?

Accepted Answer

Program

Answer

Software

Answer

Script

Answer

Application

Question 38

What is the main function of a compiler in software development?

Accepted Answer

Converts source code into machine code

Answer

Interprets source code line by line

Answer

Detects and reports syntax errors

Answer

Optimizes the performance of the compiled code

Question 39

Which of the following data structures maintains a first-in, first-out (FIFO) order?

Accepted Answer

Queue

Answer

Array

Answer

Stack

Answer

Linked list

Question 40

What is the primary purpose of a graphical user interface (GUI)?

Accepted Answer

Provide an intuitive way for users to interact with a computer

Answer

Eliminate the need for command-line interfaces

Answer

Enhance the processing speed of a computer

Answer

Store and manage user data securely

Question 41

Which of the following is **not** considered a high-level programming language?

Accepted Answer

Assembly

Answer

Python

Answer

C++

Answer

Java

Question 42

What is the primary function of a compiler in the software development process?

Accepted Answer

Converts source code into machine code

Answer

Interprets and executes source code

Answer

Detects errors in source code

Answer

Optimizes the efficiency of machine code

Question 43

Which data structure provides direct access to elements via their index?

Accepted Answer

Array

Answer

Queue

Answer

Linked List

Answer

Stack

Question 44

Which algorithm is specifically designed for finding the shortest path in a graph?

Accepted Answer

Dijkstra's algorithm

Answer

Bellman-Ford algorithm

Answer

Depth-first search

Answer

Breadth-first search

Question 45

Which operating system is open-source and free to use?

Accepted Answer

Linux

Answer

iOS

Answer

macOS

Answer

Windows

Question 46

What is the transformation process of high-level programming code into machine code?

Accepted Answer

Compilation

Answer

Linking

Answer

Interpretation

Answer

Assembly

Question 47

Which protocol is used to transfer files over the Internet?

Accepted Answer

FTP

Answer

POP3

Answer

SMTP

Answer

HTTP

Question 48

What software manages computer hardware resources?

Accepted Answer

Operating system

Answer

Database management system

Answer

Application software

Answer

Compiler

Question 49

What is the term for a reusable block of code that performs a specific task?

Accepted Answer

Function

Answer

Class

Answer

Variable

Answer

Parameter

Question 50

Which high-level programming language is frequently used for web development?

Accepted Answer

JavaScript

Answer

Assembly (very low-level, specific to a processor type)

Answer

C++ (low-level, systems programming)

Answer

SQL (database management)

Question 51

What is the process of breaking a complex problem into manageable parts called?

Accepted Answer

Decomposition

Answer

Abstraction (hiding implementation details)

Answer

Polymorphism (object-oriented programming concept)

Answer

Encapsulation (object-oriented programming concept)

Question 52

Which device connects a computer to a network?

Accepted Answer

Network interface card

Answer

Graphics card (video output)

Answer

Sound card (audio input/output)

Answer

Motherboard (main circuit board)

Question 53

What data structure organizes data hierarchically?

Accepted Answer

Tree

Answer

Linked list (dynamically allocated collection of elements)

Answer

Queue (first-in first-out data structure)

Answer

Array (fixed-size collection of elements)

Question 54

Which search algorithm repeatedly divides the search space in half?

Accepted Answer

Binary search

Answer

Linear search (simple sequential search)

Answer

Breadth-first search (used in graphs and trees)

Answer

Depth-first search (used in graphs and trees)

Question 55

What is the term for the ability of a system to handle multiple tasks concurrently?

Accepted Answer

Concurrency

Answer

Multithreading (running multiple threads within a single process)

Answer

Virtualization (creating multiple virtual environments on a single physical system)

Answer

Parallelism (executing multiple tasks on different processors)

Question 56

Which type of software provides a user interface for interacting with a computer?

Accepted Answer

Application software

Answer

Middleware (software that connects different applications)

Answer

System software (operating systems, device drivers)

Answer

Firmware (low-level software stored on hardware devices)

Question 57

What protocol is used to transfer files over the internet?

Accepted Answer

FTP

Answer

HTTP (web browsing)

Answer

SMTP (email sending)

Answer

DNS (domain name resolution)

Question 58

Which cloud computing service provides virtual servers on demand?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Software as a Service (SaaS) (provides access to software over the internet)

Answer

Function as a Service (FaaS) (executes code on demand without managing servers)

Answer

Platform as a Service (PaaS) (provides a platform for developing and deploying applications)

Question 59

What type of variable can store multiple values simultaneously?

Accepted Answer

Array

Answer

Pointer (a reference to another variable)

Answer

Structure (a user-defined data type)

Answer

Object (a structured collection of data and methods)

Question 60

What is the term used to describe the physical components of a computer system, such as the keyboard, monitor, and hard drive?

Accepted Answer

Hardware

Answer

Software

Answer

Firmware

Answer

Algorithm

Question 61

Which programming language is known for its use in web development and its emphasis on object-oriented programming?

Accepted Answer

Java

Answer

Assembly

Answer

C++

Answer

Python

Question 62

What is a set of instructions that a computer follows to perform a specific task?

Accepted Answer

Algorithm

Answer

Operating System

Answer

Data Structure

Question 63

Which type of software allows users to interact with the hardware of a computer system?

Accepted Answer

Operating System

Answer

Utility Software

Answer

Application Software

Answer

System Software

Question 64

What is the process of converting high-level programming code into machine-readable instructions called?

Accepted Answer

Compilation

Answer

Interpretation

Answer

Debugging

Answer

Execution