What is the purpose of a while loop in programming?
To define a function
To create graphics
To execute a block of code a specific number of times
To repeat a block of code while a condition is true
Correct Answer :
D. To repeat a block of code while a condition is true
Related Questions
Which programming language is often used for data analysis and machine learning?
Java
Ruby
Python
C#
What is the purpose of an if-else statement in programming?
To create a loop
To define a function
To make decisions and execute code conditionally
To print output to the console
What is the purpose of a database index?
To prevent data corruption
To optimize data retrieval by providing fast access to specific records
To store large amounts of data
To encrypt data
What does the acronym HTML stand for?
HyperText Markup Language
High-Level Text Language
Hyperlink Text Management Language
Home Tool Markup Language
What does the term ASCII stand for in the context of character encoding?
American Standard Code for Information Interchange
Advanced Standard Character Set Instruction
Automated System for Computer Information
Algorithmic Symbol Coding and Interpretation
What does GUI stand for in the context of computer software?
Graphic User Interface
General User Instruction
Graphical Unit Integration
Global User Interface
What is the purpose of the finally block in a try-except-finally construct in Python?
To define a function
To execute code regardless of whether an exception occurred
To create graphics
To repeat a block of code
What is a data type in programming?
A programming language
A set of rules for writing code
A category of values with a common set of operations
A loop
What is the purpose of an operating system's file system?
To organize and manage files and directories on storage devices
To connect to the internet
To display graphics on the screen
To execute programs
What is an algorithm in computer science?
A type of data structure
A step-by-step procedure for solving a problem
A type of programming language
A hardware component
Which sorting algorithm has the worst-case time complexity of O(n^2)?
QuickSort
MergeSort
BubbleSort
InsertionSort
What is the purpose of the elif statement in Python?
It is used to define a new variable.
It is used to handle exceptions.
It is used to execute code if the if condition is false.
It is used to test multiple conditions sequentially.
What is a compiler in programming?
A program that translates high-level code into machine code
A program that optimizes code for performance
A program that creates graphics
A type of loop
What is the purpose of the switch statement in programming?
To execute code based on multiple conditions
To define a function
To create graphics
To exit a loop
Which of the following is not a valid type of computer network?
Local Area Network (LAN)
Wide Area Network (WAN)
Personal Area Network (PAN)
Personal Computer Network (PCN)
What is the purpose of a relational database?
To store and manage data in a tabular format with relationships between tables
To display web pages
To protect against viruses
To create graphics
What is the purpose of the while loop in programming?
To execute a block of code a specific number of times
To define a function
To make decisions and execute code conditionally
To repeat a block of code while a condition is true
Which programming language is often used for web development?
Python
Java
HTML
C++
What does the term protocol mean in the context of computer networking?
A set of rules and conventions for communication between devices
A type of hardware
A programming language
A software application
What is a network firewall used for?
To protect against physical intrusions
To block unwanted network traffic and protect a network from unauthorized access
To boost network speed
To filter spam emails
In the context of cybersecurity, what does the term phishing refer to?
Catching harmful computer viruses
Fishing for personal information through deceptive emails or websites
Encrypting data for security
Scanning for network vulnerabilities
Which of the following is not a primary color in the RGB color model?
Red
Green
Blue
Yellow
What is a variable in programming?
A value that cannot be changed
A container for storing data
A type of loop
A function
Which of the following is a valid way to define a constant in Python?
const pi = 3.14159
final float PI = 3.14159
PI = 3.14159
constant PI = 3.14159
What does the term algorithmic complexity refer to?
The speed at which a program executes
The size of a program's source code
The number of bugs in a program
The amount of memory used by a program
In object-oriented programming, what is a class?
A type of data structure
A step-by-step procedure
A blueprint for creating objects
A loop
Which data structure is used to store a collection of elements with no duplicates?
Array
Set
List
Dictionary
What is the purpose of a database management system (DBMS)?
To display web pages
To protect against viruses
To store, retrieve, and manage data in a database
To create graphics
What is the purpose of the try and except blocks in Python?
To define a function
To create graphics
To handle exceptions and errors
To write comments in code
What is a loop in programming?
A bug in the code
A function that repeats a specific task
A variable that stores multiple values
A conditional statement