Introduction to Data Science

Which of the following is an example of structured data?

• A customer’s age stored in a database

• A video uploaded on YouTube

• A tweet with hashtags

• A hand-drawn sketch

Why is data considered important in modern systems?

• It reduces the cost of storage

• It fuels innovation and evidence-based decisions

• It replaces the need for coding

• It only powers social media platforms

Which of the following is a real-world use of data science?

• Predicting weather

• Playing board games

• Writing novels

• Growing plants

Data Science mainly involves:

• Collecting and cleaning data

• Playing games

• Printing documents

• Building mechanical machines

Which of these best describes Machine Learning (ML)?

• Manually programming every rule

• Teaching computers to learn patterns from data

• Creating websites

• Building physical robots

What is the key difference between AI and ML?

• ML is a subset of AI

• AI is a subset of ML

• They are unrelated fields

• ML uses only images, while AI uses text

Which tool is commonly used for data visualization in data science?

• Hadoop

• SQL

• Tableau

• TensorFlow

Which of the following is a challenge in data science?

• High-speed internet

• Data privacy and ethics

• Playing online games

• Reducing human creativity

Which is a future trend in data science/AI ?

• AutoML

• Manual coding only

• Removing AI from IoT

• Ending big data analysis

Deep Learning (DL) is:

• A subset of AI using statistics

• A subset of ML using deep neural networks

• A programming language

• A type of database