Web Dev
Which CSS property controls the space between an element’s content and its border?
padding
Which Python library provides the ndarray and is commonly used for numerical computing?
NumPy
What is the common three-letter acronym for a unique digital asset on blockchain?
NFT
Which programming language is used by Flutter?
Dart
What does “URL” stand for?
Uniform Resource Locator
What JavaScript method converts an object to JSON?
JSON.stringify()
Which activation function maps real values into the range (0, 1)?
Sigmoid
Which blockchain platform first popularized smart contracts?
Ethereum
In Android, which component represents a single screen with a user interface?
Activity
Who founded SpaceX and OpenAI?
Elon Musk
In MongoDB, which update operator allows you to modify specific fields of multiple documents simultaneously?
$set
Which ensemble method builds multiple decision trees and averages their predictions to reduce overfitting?
Random Forest
Which data structure is used to verify large numbers of transactions efficiently in a block?
Merkle Tree
Which language did Apple introduce in 2014 as a modern replacement for Objective-C?
Swift
What company created the first commercial microprocessor?
Intel
What HTTP status code represents “Request Timeout”?
408
What technique reduces dimensionality by projecting data onto orthogonal principal components?
PCA
Which Ethereum token standard is used for fungible tokens?
ERC-20
What is the name of Google’s modern declarative UI toolkit for Android that uses composable functions?
Jetpack Compose
What was the world’s first computer virus called?
Creeper
What is the internal algorithm used by Chrome’s V8 engine to optimize JavaScript execution?
TurboFan
What type of neural network framework pits a generator against a discriminator to produce realistic samples?
GAN
What is the abbreviated name for the consensus mechanism where validators lock funds to secure the network?
PoS
Which architectural pattern (recommended by Google) separates Model, View, and ViewModel for Android apps?
MVVM
Which programming language was developed by Dennis Ritchie at Bell Labs?
c