Computer Science Quiz Grade 3 English

What is Computer Science?

• The study of how to write stories

• The study of how computers work and solve problems

• The study of plants and animals

• The study of how to play games on the computer

What is a microcontroller?

• A type of computer screen

• A small computer that controls devices like robots

• A part of a keyboard

• A device that plays music

What is the difference between a microcontroller and a microprocessor?

• A microcontroller controls devices, while a microprocessor processes information

• A microcontroller is smaller than a microprocessor

• A microprocessor controls robots, while a microcontroller is for games

• There is no difference between the two

What are inputs, processes, and outputs in microcontrollers?

• Inputs are the actions the robot takes, processes are its emotions, and outputs are its food

• Inputs are things the microcontroller receives, processes are the actions it performs, and outputs are what it shows or does

• Inputs are for the computer screen, processes are the internet, and outputs are sound

• Inputs are for the internet, processes are the power, and outputs are the battery

How do computers use binary numbers to process information?

• Binary numbers represent 'yes' and 'no' answers for the computer

• Binary numbers are used to store music

• Binary numbers show how fast a computer works

• Binary numbers are pictures the computer uses

What is a USB cable used for?

• To charge a device

• To connect a device and transfer data

• To make your device louder

• To clean your computer

What is an LED?

• A light-emitting diode, used for displaying light

• A type of microphone

• A kind of storage device

• A way to play music

How do multiple LEDs form a digital screen?

• They display light to create pictures or text

• They help charge the computer

• They keep the computer cool

• They make the computer faster

What is a data packet?

• A small bag that stores food

• A piece of information that travels through the Internet to help send data

• A computer game

• A button on your keyboard

What is the difference between the Internet and the World Wide Web?

• The Internet connects devices, and the World Wide Web is where websites are found

• The Internet is the computer; the World Wide Web is the mouse

• The Internet is where you store pictures, and the World Wide Web is for music

• The World Wide Web is faster than the Internet