Control Statement in Arduino

What is the purpose of an if statement in Arduino?

• To play music

• To control the speed of a motor

• To make decisions based on conditions

• To display text on an LCD screen

How is a for loop structured in Arduino?

• for(initialization; condition; increment/decrement) []

• for(initialization; condition; increment/decrement) {}

• for(initialization; condition; increment/decrement) endfor

• for(initialization; condition; increment/decrement) end

When would you use a while loop in Arduino?

• When you want to execute code only once

• When you want to skip a block of code

• When you want a block of code to execute repeatedly based on a condition.

• When you want to run code based on a counter

Explain the syntax of a switch case statement in Arduino.

• switch(variable) { case value1: // code to be executed if variable equals value1; break; case value2: // code to be executed if variable equals value2; break; default: // code to be executed if variable doesn't match any case; }

• switch(variable) { case value1: // code to be executed if variable equals value1; break; case value2: // code to be executed if variable equals value2; break; case value3: // code to be executed if variable equals value3; break; // unnecessary case

• switch(variable) { case value1: // code to be executed if variable equals value1; break; case value2: // code to be executed if variable equals value2; break; default: // code to be executed if variable doesn't match any case; }

• switch(variable) { case value1: // code to be executed if variable equals value1; break; case value2: // code to be executed if variable equals value2; break; // missing default case

What are nested control statements in Arduino?

• Nested control statements in Arduino involve placing one control statement inside another, like an if statement within a while loop.

• Nested control statements in Arduino involve using control statements without any conditions

• Nested control statements in Arduino involve placing a loop inside a function

• Nested control statements in Arduino involve using multiple control statements in parallel

How do you write an if statement with multiple conditions in Arduino?

• if(condition1 & condition2) { //code block }

• if(condition1 && condition2) { //code block }

• if(condition1 || condition2) { //code block }

• if(condition1, condition2) { //code block }

Give an example of a for loop that iterates from 0 to 10 in Arduino.

• for(int i = 0; i <= 11; i++) { // Your code here }

• for(int i = 1; i <= 10; i++) { // Your code here }

• for(int i = 0; i < 10; i++) { // Your code here }

• for(int i = 0; i <= 10; i++) { // Your code here }

In what scenario would you use a do-while loop in Arduino?

• When you want to execute a code block based on a condition

• When you want to skip the loop if the condition is met

• When you need to run the loop indefinitely

• When you need to ensure the code block runs at least once before checking the loop condition.

Can you have a switch case statement inside another switch case statement in Arduino?

• No

• Yes

• Maybe

• Sometimes

Write a code snippet demonstrating the use of nested if-else statements in Arduino.

• int x = 10; int y = 20; if (x < y) { Serial.println('x is less than y'); } else { if (x > y) { Serial.println('x is greater than y'); } else { Serial.println('x is equal to y'); } }

• int x = 10; int y = 20; if (x > y) { Serial.println('x is greater than y'); } else { if (x < y) { Serial.println('x is less than y'); } else { Serial.println('x is equal to y'); } }

• int x = 10; int y = 20; if (x > y) { Serial.println('x is greater than y'); } else { if (x == y) { Serial.println('x is equal to y'); } else { Serial.println('x is less than y'); } }

• int x = 10; int y = 20; if (x == y) { Serial.println('x is equal to y'); } else { if (x > y) { Serial.println('x is greater than y'); } else { Serial.println('x is less than y'); } }