WorksheetsEOT Microbit and Electronics
Total questions: 48
Worksheet time: 34mins
A small component that lights up
when current flows through it.
resistor
capacitor
circuit
light-emitting diode
An .... circuit is any kind of circuit that is integrated onto a chip. It can be a radio transmitter, a microcontroller, an audio amplifier or any other circuit you can think of.
integrated
open
disintegrated
electronic
The name of this component:
diode
resistor
capacitor
transistor
The name of this component:
photocell
transistor
potentiometer
Capacitor
The name of this component:
resistor
LED
photocell
source
The image is the symbol for a:
LED
resistor
diode
conductor
A potentiometer :
holds electrical charge
controls the direction of current flow
varies resistance according to the amount of light
is a variable resistor which is controlled by turning a knob
A LED is an example of a Diode. What is the definition of Diode?
(HINT - an LED has a short leg and a long leg for this reason)
Electricity needs to be controlled by a resistor for it to work
It means LEDs can be multi-coloured
A jumper wire needs to go to GND (ground) after it is connected to the LED
Electricity can only flow through this component in one direction
What is the function of a Push Button Switch?
Input
Processor
Output
What is the name of this component?
Toast
Breadboard
circuit board
bored
Identify this part highlighted in the red box
LED Grid
I/O Connectors
Processor
USB
What is a program?
A series of step-by-step instructions that tell a computer how to solve a task/problem
A video that is watched on the computer
A flow chart written on a computer
A series of steps in any order that tell a computer how to solve a task/problem
What is the name of the editor you have used to code your Microbit?
Scratch
Python
Block editor
Excel
In programming how is selection implemented?
IF - OTHERWISE
IF - ELSE IF - ELSE
DO - ELSE
IF - ELSE - DO
Which function would you use on the Block editor to implement selection statement?
Variables
Maths
Input
Logic
This is an example of what data type?
Jacob = 10
String
Boolean
Float
Integer
What information does a 'string' contain?
Whole numbers
Decimal numbers
Text
True or false
Transistors act like tiny "____________."
Electron sources
Switches
Batteries
Bees?
As well as acting like a switch, another function of the transistor is to____________signals?
rectify
amplify
limit
control
transistor has 3 electrodes namely
PNP
NPN
Base/ Collector/ Emitter
Drain/ Gate/ Source
What family is the transistor part of?
LED
Diode
Semiconductor
Resistor
In what year was the transistor invented?
1948
1950
1958
1946
Where was the transistor invented?
Bell Labs
Draper Labs
MIT
WPI
What is this pin called with the arrow?
Emitter
Base
Collector
Transistor
What is this pin called with the arrow?
Emitter
Base
Collector
Transistor
What is this?
Vacuum Tube
Transistor
Circuit
Star Wars Character
The duty cycle in a PWM (Pulse Width Modulation) signal is...
The percentage of ON time over the time period
The percentage of OFF time over the time period
The total (ON and OFF) time over the time period
None of the above
What is a computer bit?
The smallest unit of data in a computer, for example a 0 or 1.
The smallest part of a computer, for example a mouse.
The largest amount of data in a computer, for example a yottabyte.
The largest part of a computer, for example a main frame.
What is an algorithm?
A set of instructions to solve a problem.
A list of information.
An ordered structure of data.
A binary number.
What base is binary?
10
1
2
16
Which of the following is an input for the microbit?
Press button C
On shake
Drop it on the desk
Show a string
Which of the following is an output for the microbit?
Press button C
On shake
Drop it on the desk
Show a string
On a microbit which menu do you use to 'show leds'?
Basic (blue)
Input (pink)
Logic (taupe)
Variables (red)
On a microbit which menu do you use to 'create a new variable'?
Basic (blue)
Input (pink)
Logic (taupe)
Variables (red)
On a microbit which menu do you use to 'pick random'?
Basic (blue)
Input (pink)
Math (purple)
Variables (red)
When downloading a file onto the microbit what do you need to look out for?
A flashing orange light.
A flashing red light.
A beeping noise.
Nothing.
How many variables are in this code?
1
2
0
In this code block you can see the commands - digital write pin. How do you explain the difference in the values 0 and 1?
They are positive and negative
The represent the amount of voltage
They switch the pin on (1) and off (0) using the binary number system.
They are emojis
In this code block you can see the commands - analog read pin. Explain what this means?
it reads the voltage value passing through pin0
It reads a book
It reads the algorithm
It counts the pins
Why do we need resistors in a circuit when using LEDs, and what might happen if we don’t use them?
What is the purpose of the Micro:bit’s LED matrix, and how would you use it in a program?
State two components that can be connected to the Micro:bit using the prototyping board and explain them.
Describe a real-world application where an LDR (Light Dependent Resistor) could be useful.
