What is Digital Information?

What do computers understand best?

• Pictures

• Ideas

• Text

• Numbers

What numerical system do computers use to store information?

• Octal

• Binary

• Hexadecimal

• Decimal

What is digital information?

• Information stored as numbers

• Information stored as ideas

• Information stored as physical objects

• Information stored as text

Why is encoding information important?

• To increase its size

• To make it understandable to humans

• To make it look better

• To store and manipulate it with computers

What is an example of encoding in the real world?

• The color of a car

• The temperature outside

• Fast food menu numbers

• The name of a book

What does DNA encode?

• The instructions for playing a game

• The instructions for building a computer

• The instructions for making every type of protein in the body

• The instructions for cooking

What is data abstraction?

• A method to delete data

• A way to make data larger

• A process of simplifying data into manageable chunks

• A type of computer

What can be done with digital information?

• It can only be stored

• It can be easily manipulated and sent

• It can be painted

• It can be turned into a physical object

How do self-driving cars use digital information?

• To cook meals

• To locate obstacles and predict movements

• To play music

• To predict weather

What is the lowest level of abstraction in computer data storage?

• Binary numbers

• Sentences

• Characters

• Physical hardware encoding