Outputs
Design & Technology: AQA GCSE, topic 1.4.3
Sound
Outputs are things that come out of a system, for example a light or sound. Different components create outputs such as sound and light.
Buzzer
- Component name: Buzzer.
- When a current passes through the buzzer it creates a movement that produces sound.
Component symbol: Buzzer
Speaker
- Component name: Speaker.
- When a current passes through the speaker it creates vibrations that produces sound.
Component symbol: Speaker
Light
Outputs are things that come out of a system, for example a light or sound. Different components create outputs such as sound and light.
Lamp
- Component name: Lamp.
- A lamp produces light and heat when electricity passes through the filament.
- You can get lamps or bulbs in a variety of different brightnesses and sizes.
- They are used in ceiling lights and car headlights.
Component symbol: Lamp
LED
- Component name: Light emitting diode (LED).
- Produces light when the electricity flows through it.
- These can be seen on television standby switches and fairy lights as they do not use a lot of power and stay cool.
Component symbol: LED
Test yourself on Outputs
What is this the component symbol pictured below?
What does LED stand for?
What is an advantage of LEDs?