Picture and Sound
A computer screen shows pictures while speakers play sound from the same data.
A computer sends picture data to the screen and sound data to the speakers at the same time.
- Link picture output on screen with sound output from speakers
- Turn volume down if computer sound is too loud
- Pause with a grown-up to stop output for a moment
Finish first
Topic contents
Computer play 1 of 2
Hear and see
Grown-up note (read aloud)
When a dog barks on screen, your eyes see the picture output and your ears hear the sound output. The computer sends both together.
- Screen and speakers are outputs
- Picture and sound data go together
Computer play 2 of 2
Volume
Grown-up note (read aloud)
If sound from the computer is too loud, ask a grown-up to turn it down. Your ears like gentle volume from the device.
- Speakers output sound data
- Grown-up adjusts volume on the device
Practice
Try at home
No answer key here on purpose: these are the questions worth thinking through before you move on. Open one and work it out.
0/2 attemptedPicture check
Tap your answer
Pick the picture that answers the question. A grown-up can read the words.
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