Topic 4: Let’s Switch It ON and OFF

Which of the following is the push button used in TinkerCad?

• A

• B

• C

• D

Which of the following steps will allow you to open the sample BUTTON sketch?

• FILE > EXAMPLES > 01. BASICS

• FILE > EXAMPLES > 02. DIGITAL

• FILE > EXAMPLES > 03. ANALOG

• FILE > EXAMPLES > 04. COMMUNICATION

Look at the circuit closely. What pin number is connected to push button?

• 3

• 4

• 2

• 7

Based from the circuit below, how will you declare the push button correctly?

• const int buttonPin=2;

• const int ledPin=2;

• const int buttonPin=4;

• const int ledPin=4;

How will you write the statement in line number 8 correctly?

• pinMode(buttonPin,HIGH);

• pinMode(buttonPin,OUTPUT);

• pinMode(buttonPin,INPUT);

• pinMode(buttonPin,LOW);

How will you write the statement in line 14 correctly?

• Serial.println("LED is ON");

• serial.println("LED is ON");

• Serial.println("LED is OFF");

• serial.println("LED is OFF");

What is missing in the following statements declared as variables?

• The semicolon is missing at the end of every statement.

• The curly bracket is missing at the end of every statement.

• The parenthesis is missing at the end of every statement.

• There is no missing punctuation in all statements.