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Worksheets1.6 &1.7 Electronic Systems & Programmable components
Total questions: 10
Worksheet time: 5mins
Which of the following is an input device that detects changes in light level?
LED
LDR
Thermistor
Capacitor
Which of the following is an input device that detects changes in temperature level?
LDR
Switch
Thermistor
Capacitor
Which of the following switches allows current to flow through it when pressed?
Push-to-make switch
Push-to-break switch
Tilt switch
Toggle switch
At what stage of a system would a microcontroller be found?
Input
Output
Process
Start
What is a microcontroller?
A discrete component
A programmable component
A sensor
A small remote
What impact does replacing non-programmable integrated circuits with a microcontroller usually have on the size of a circuit?
Decreases the size of circuit board
Increases size of circuit board
No difference in size of circuit board
No circuit board needed
Which answer best describes the cost of a microcontroller?
Cheaper than lots of individual components
More expensive than lots of individual components
The same cost as lots of individual components
Microcontrollers have no cost
What output does a buzzer produce?
Motion
Heat
Light
Sound
Which of the following is an output device that produces light?
Buzzer
LED
Speaker
Motor
Which of the following amplifies a signal?
Capacitor
Thermistor
Light-dependent resistor (LDR)
Transistor
