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Worksheets1.6 electronic systems
Total questions: 20
Worksheet time: 10mins
what type of device is an LED?
Input device
Output device
Control device
what type of device is a buzzer?
Input device
Output device
control device
microcontroller
which of the following are sensors?
buzzer
LED
thermistor
LDR
transistor
Why would you add resistors resistors into a circuit?
limit the current
protect delicate components
make it work faster
save electricity
what are the three main parts of an electronic system?
input
process
output
start
stop
How could you find out the resistance of a fixed resistor?
look at the coloured bands
weigh it
use a multimeter to measure it
measure it's length with a ruler
A Crumble is a type of ______?
microcontroller
switch
biscuit
output device
Each LED module in an addressable LED strip contains smaller of which 3 coloured LEDs?
Red
Green
Yellow
Blue
Orange
What is the standard voltage used in USB connections?
3v
5v
12v
1.5v
a small voltage at the base of a transistor allows a large _______ to flow into the collector and out of the emitter.
current
resistance
voltage
sound
amount of light
