Programming Fundamentals
This keyword is used to handle an exception that occurs inside a try block.
Catch
This device connects multiple computers within the same Local Area Network (LAN) and forwards data based on MAC addresses.
Switch
This type of key uniquely identifies each record in a table.
Primary Key
What image file format supports transparency and is commonly used in web and game graphics?
PNG (Portable Network Graphics)
What technology enables computers to learn from data and improve their performance without being explicitly programmed?
Machine Learning
What will be the output of the following code?
int x = 5;
int y = 2;
Console.WriteLine(x % y);
1
An OSI layer responsible for logical addressing and routing of packets between networks.
Network Layer (Layer 3)
What SQL command is used to retrieve data from a database?
Select
WYSIWYG allows users to see how a document will appear while it is being created. What does the acronym WYSIWYG mean?
What You See Is What You Get
What cloud computing model allows users to access software applications over the internet without installing them locally?
Software as a Service (SaaS)
int[] numbers = {10, 20, 30};
Console.WriteLine(numbers[1]);
20
What protocol uses port 443 by default and provides secure web communication?
HTTPS
Which SQL constraint prevents duplicate values in a column and ensures that each value is unique?
UNIQUE constraint
In the world of MLBB (Mobile Legends: Bang Bang), which team and country won the M3 World Championship?
Blacklist International
Philippines
What technology creates a fully immersive digital environment that users can interact with using headsets?
Virtual Reality (VR)
int a = 10;
int b = 0;
if (b != 0 && a / b > 1)
{
Console.WriteLine("True");
}
else
{
Console.WriteLine("False");
}
False
Which protocol is used to automatically assign IP addresses to devices in a network?
DHCP (Dynamic Host Configuration Protocol)
What type of database is designed to handle large volumes of unstructured or semi-structured data and does not strictly use relational tables?
NoSQL database
What color model is primarily used for digital screens and monitors?
RGB (Red, Green, Blue)
What decentralized digital ledger technology records transactions across multiple computers securely and transparently?
Blockchain
try
{
int[] arr = {5, 10, 15};
Console.WriteLine(arr[3]);
}
catch (Exception e)
{
Console.WriteLine("Error caught");
}
Error caught
arr[3] causes an IndexOutOfRangeException because the highest valid index is 2.
The exception is caught by the catch block.
Convert the following binary octet to decimal:
11000000
192
Explanation:
128 + 64 = 192
What cloud-hosted NoSQL database developed by Google allows real-time data synchronization across clients?
Firebase Database
What augmented reality mobile game released in 2016 allows players to catch virtual creatures in real-world locations?
Pokémon GO
What branch of artificial intelligence focuses on enabling computers to understand, interpret, and generate human language?
Natural Language Processing (NLP)