1. Churchmead Design Technology
Name: Date:
Systems approach to designing
Electronics
Name
Symbol
Drawing
Description
LED
(Light Emitting Diode)
This electrical component produces light when electricity is passed through it
Resistor
Capacitor
A device that temporarily stores electricity
Slide Switch
Battery Box
None, but the symbol for a battery cell is:
Buzzer
Churchmead Design Technology

2. Churchmead Design Technology
Name: Date:
Systems approach to designing
3.1.4 Electronics
A system is a combination of parts or components, which work together to control a task or activity.
A system will have three main elements;
Input
(Something goes in)
Process
(Something happens)
Output
(Something comes out)
Lets use making toast as an example;
Bread
Heat
Toast
Try and write a System and Control loop for your circuit
Churchmead Design Technology