How computers see and hear quiz

Question 1

How does a computer 'see' a picture you take on a phone or tablet?

Accepted Answer

It uses a camera to turn the view into tiny colored dots

Answer

It smells the picture

Answer

It tastes the colors

Answer

It reads a book about the picture

Question 2

What are the tiny colored dots that make up a picture on a screen called?

Accepted Answer

Pixels

Answer

Pebbles

Answer

Puzzles

Answer

Petals

Question 3

How does a computer 'hear' your voice when you talk to it?

Accepted Answer

With a microphone that catches sound

Answer

With its eyes

Answer

With a flashlight

Answer

By touching your mouth

Question 4

When you say 'Hey, play music!' to a smart speaker, what part lets it hear you?

Accepted Answer

The microphone

Answer

The wheels

Answer

The battery only

Answer

The color of the speaker

Question 5

A phone can unlock when it 'sees' your face. What is this called?

Accepted Answer

Face recognition

Answer

Face painting

Answer

Face washing

Answer

Face drawing

Question 6

Why do computers need lots of example pictures to learn what a cat looks like?

Accepted Answer

So it can learn what cats look like from many examples

Answer

So it can eat the pictures

Answer

Because cats like photos

Answer

To make the screen colorful

Question 7

What does it mean when a computer 'recognizes' something in a photo?

Accepted Answer

It can tell what the thing in the picture is

Answer

It can throw the photo away

Answer

It can cook dinner

Answer

It changes the photo into music

Question 8

When you talk to a voice assistant and it writes down your words, what is that called?

Accepted Answer

Speech-to-text

Answer

Text-to-cake

Answer

Voice-to-paint

Answer

Sound-to-smell

Question 9

Can a computer 'see' in the dark with a normal camera?

Accepted Answer

No, a normal camera needs light to see

Answer

Yes, cameras love the dark best

Answer

Only if you close your eyes

Answer

Yes, by listening for light

Question 10

A computer adds up many pixels to understand a picture. Are pixels big or tiny?

Accepted Answer

Tiny

Answer

As big as a ball

Answer

As big as a door

Answer

As big as a car

Question 11

How is sound turned into something a computer can hear?

Accepted Answer

A microphone changes sound waves into numbers

Answer

Sound is painted on paper

Answer

The computer drinks the sound

Answer

Sound turns into light first

Question 12

Why might a computer get confused and think a muffin is a puppy in a photo?

Accepted Answer

Because they can look alike in color and shape

Answer

Because muffins can bark

Answer

Because puppies are made of flour

Answer

Because the camera is sleepy

Question 13

What helps a computer tell the difference between a red apple and a green apple?

Accepted Answer

The color of the apple in the picture

Answer

The smell of the apple

Answer

The sound of the apple

Answer

The weight of the screen

Question 14

When a video call shows your face, what device is sending your picture?

Accepted Answer

The camera

Answer

The keyboard

Answer

The mouse

Answer

The printer

Question 15

Can a computer count how many people are in a photo?

Accepted Answer

Yes, it can find faces and count them

Answer

No, computers cannot count at all

Answer

Only if the people sing

Answer

Only if the photo is upside down

Question 16

Why do voice assistants sometimes hear the wrong word?

Accepted Answer

Words can sound alike or there is noise

Answer

Because computers hate music

Answer

Because they are always sleeping

Answer

Because microphones are spicy

Question 17

What is a camera's job when a computer wants to see?

Accepted Answer

To capture light and turn it into a picture

Answer

To make popcorn

Answer

To play songs

Answer

To clean the screen

Question 18

A self-driving toy car uses a camera to 'see' the road. What might it look for?

Accepted Answer

Things in its way so it does not bump them

Answer

The best song to play

Answer

The taste of the floor

Answer

How to take a nap

Question 19

What does a microphone do that is a little like what your ears do?

Accepted Answer

It catches sounds from the air

Answer

It shines a light

Answer

It draws pictures

Answer

It throws a ball

Question 20

When a computer turns words on a screen into a spoken voice, what is that called?

Accepted Answer

Text-to-speech

Answer

Speech-to-mud

Answer

Word-to-water

Answer

Sound-to-light

Question 21

Why is a blurry photo harder for a computer to understand?

Accepted Answer

The shapes are fuzzy and hard to match

Answer

Because blurry photos are loud

Answer

Because the computer is shy

Answer

Because blur is a color

Question 22

Can a computer tell if a sound is a dog barking or a baby crying?

Accepted Answer

Yes, if it learned both sounds from examples

Answer

No, all sounds are the same to it

Answer

Only on rainy days

Answer

Only if you whisper

Question 23

What decides what a computer can see through its camera?

Accepted Answer

Whatever the camera is pointed at

Answer

The color of your shirt

Answer

The day of the week

Answer

The sound of your voice

Question 24

How can a computer help someone who cannot see by 'seeing' for them?

Accepted Answer

It looks at things and says what they are out loud

Answer

It hides everything

Answer

It only plays games

Answer

It turns off all lights

Question 25

If a picture is very dark, what can make it easier for a computer to see?

Accepted Answer

More light

Answer

More noise

Answer

Less color

Answer

A bigger keyboard

Question 26

Why can't a computer 'see' a picture the same way you see it with your eyes?

Accepted Answer

A computer only sees numbers for the pixels

Answer

A computer has real eyes

Answer

A computer dreams about pictures

Answer

A computer reads with glasses

Question 27

What is one thing a computer needs before it can recognize your friend's face?

Accepted Answer

A picture of your friend to learn from

Answer

Your friend's favorite food

Answer

A song about your friend

Answer

Your friend's shoe size

Question 28

When a computer listens, does it understand feelings like happy or sad in a voice?

Accepted Answer

They can guess from how the voice sounds, but do not really feel

Answer

They always know exactly how you feel

Answer

They cannot hear voices at all

Answer

They feel sad when you are sad

Question 29

What helps a computer see the edges of a ball in a photo?

Accepted Answer

Places where the color changes

Answer

The smell of the ball

Answer

The weight of the ball

Answer

How fast the ball rolls

Question 30

A camera takes a photo of a rainbow. How does the computer store the colors?

Accepted Answer

As numbers for each pixel's color

Answer

As a smell

Answer

As a song

Answer

By painting on the screen with a brush

Test yourself