P5 Selection and Iteration

Robots use this to make decisions.

• Sequence

• Selection

• Iteration

Is this logical test true or false ?

100 > 10

• True

• False

Smart street lighting systems uses this sensor to know if it is dark or bright.

• Light sensor

• Temperature sensor

• Compass

When will the lights turn on ?

• If light level < 70 is false

• If light level < 70 is true

• If light level > 70 is true

You can use microbit to check 'N' direction because it has ______.

• Light sensor

• Temperature sensor

• Compass

You can use the microbit to know the temperature of the fridge because the microbic has ______.

• Light sensor

• Temperature sensor

• Compass

How to call a test that gives true or false in a conditional statement ?

• Logical test

• Exam

• True or false test

What happens if light level < 100 is false ?

• Show icon

• Nothing happens

• Show LED

What happens if light level < 100 is false ?

• Show icon 'Heart'.

• Show icon 'mark.'

• Nothing happens

If you want the computer to do the same thing again and again, what should you do ?

• Write the same code several times.

• Use a loop to repeat the code.

• Use a conditional statement.