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)
Correct Answer :
D. Personal Computer Network (PCN)
Related Questions
What is the primary function of an operating system?
To manage hardware resources and provide services for software
To run applications
To create graphics
To store data
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 database schema?
A database query
A blueprint that defines the structure and organization of a database
A database table
A database index
What is an API in the context of software development?
An application for editing images
A programming language
A set of rules and protocols for building and interacting with software applications
A type of computer hardware
What is a data structure in programming?
A type of loop
A category of values with a common set of operations
A programming language
A set of rules for writing code
What is the purpose of a subroutine in programming?
To define a data type
To create graphics
To store data
To encapsulate a sequence of code that can be called multiple times
What does HTTP stand for in the context of web communication?
HyperText Transfer Protocol
HyperTransfer Text Protocol
HyperTransfer Transfer Protocol
HyperText Text Protocol
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
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
What is the purpose of an array in programming?
To store a single value
To store a collection of values of the same data type
To perform mathematical calculations
To create graphics
What is an IP address used for in computer networking?
To identify a specific website
To identify a specific computer or device on a network
To encrypt network traffic
To block spam emails
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
Which programming language is often used for data analysis and machine learning?
Java
Ruby
Python
C#
Which programming language is often used for web development?
Python
Java
HTML
C++
What does CPU stand for?
Central Processing Unit
Computer Programming Unit
Central Program Unit
Computer Processing Unit
What is the purpose of a constructor in object-oriented programming?
To define a function
To create graphics
To initialize the attributes of an object when it is created
To exit a loop
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 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
What is the purpose of the else statement in programming?
To define a new variable
To handle exceptions
To execute code if the if condition is true
To execute code if the if condition is false
Which of the following is not a type of computer memory?
RAM (Random Access Memory)
ROM (Read-Only Memory)
CPU (Central Processing Unit)
Cache
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
What is the purpose of the continue statement in programming?
To exit a loop prematurely
To define a function
To print output to the console
To create a loop
What does the term bug refer to in programming?
An insect that disrupts the computer's operation
A hardware malfunction
An error or flaw in a program's code
A security vulnerability
Which programming paradigm is based on the concept of objects?
Functional programming
Procedural programming
Object-oriented programming
Declarative programming
Which data structure uses a First-In-First-Out (FIFO) order?
Stack
Queue
Linked List
Binary Tree
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 a DNS server responsible for in the context of the internet?
Storing email messages
Translating domain names into IP addresses
Managing network hardware
Providing web hosting services
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
Which data structure uses a Last-In-First-Out (LIFO) order?
Queue
Stack
Linked List
Tree
What does the term HTTP request refer to in web development?
A request for information sent from a web server to a web client
A request for information sent from a web client to a web server
A request to download a web page
A request to play a video on a web page