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WorksheetsGCSE D&T Unit 3 - Electronic Systems
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
Which of the following is NOT part of a system?
a)
Input
b)
Output
c)
Decision
d)
Reminder
2.
A subsystem includes the tasks that happen with a system, true or false?
a)
true
b)
false
3.
What type of diagram is used to represent systems?
a)
Shape Diagram
b)
Square Diagram
c)
Block Diagram
4.
Switches are a common form of an _______ control device?
a)
Input
b)
Output
c)
Decision
5.
An LDR is an example of an input component, what does LDR stand for?
a)
Light Delay Response
b)
Light Dependent Resistor
c)
Light Day Rate
6.
A LDR is a component that changes its resistance depending on different ________ levels?
a)
Sound
b)
Time
c)
Light
7.
What type of switch is commonly used as a digital input device, found on phones and keyboards?
a)
Push to make (PTM)
b)
Push to break (PTB)
c)
Toggle <br />
8.
What input component changes its resistance level at different temperatures?
a)
Light Dependent Resistor
b)
Thermistor
c)
Transistor
9.
What is the name given to the component that is a small semiconductor made from silicon and has many forms?
a)
Resistor
b)
Thermistor
c)
Transistor
10.
Resistors limit the amount of _________ flowing in an electrical circuit?
a)
Current
b)
Resistance
c)
Sound
11.
What type of component is a light emitting diode (LED)?
a)
Input
b)
Output
12.
What type of component is a push to make (PTM) switch?
a)
Input
b)
Output
13.
What type of component is a buzzer?
a)
Input
b)
Output
Reset
