ALP Sec 2
Authored by Amirah Ahmad Khalis
Computers
7th - 8th Grade
Used 11+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the colour of the light obtained when red, green and blue light are mixed together?
Black
White
Purple
Orange
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true for a push button?
It opens the circuit when it is pressed
It stops the output device when it is pressed
It can act as a switch
It uses more than 2 pins
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following breadboard layout shows the correct connection of a working circuit?
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not true for a force sensitive resistor?
It is a fixed resistor
It is a variable resistor
It can be used to detect changes in force
It can be used to detect changes in pressure
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of void setup ()
Runs the steps before setting the variables
Runs the steps once, when the sketch starts
Runs the steps over and over again
Stops the running of the steps
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an ultrasonic sensor typically used for?
Distance measurement
Light intensity measurement
Measuring loudness of audible sound
Heat detection
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the approximate speed of sound in air?
30 m/s
340 m/s
3400 m/s
300 000 000 m/s
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