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Conditional Statements in Programming

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Questions and Answers

What is the purpose of using conditional statements in programming?

To skip the code in the body of the statement if the expression evaluates to true

To execute code in the body of the statement if the expression evaluates to false

To make the program act in one way if a condition is met, and another way if it isn't (correct)

To compare a variable with another variable

What happens when the conditional expression in an if statement evaluates to false?

The code in the body of the else statement does not run

The code in the body of the if statement runs

The program execution skips the code in the body of the if statement (correct)

The code in the body of the else statement runs

What is the role of an else statement in relation to an if statement?

The code in the body of an else statement always runs regardless of the if statement's evaluation

The else statement allows multiple conditional expressions to be evaluated

The code in the body of an else statement runs when its corresponding if statement evaluates to false (correct)

The code in the body of an else statement runs when its corresponding if statement evaluates to true

What is the difference between an if-else and an if-else-if statement?

An if-else-if statement allows more than one conditional expression to be evaluated Signup and view all the answers

What is the main purpose of the Arduino LDR Night Light Project with Automatic Relay?

To explore the integration of Arduino with a Light Dependent Resistor (LDR) Signup and view all the answers

What distinguishes the Light Dependent Resistor (LDR) from other resistors?

Its resistance varies with light intensity Signup and view all the answers

How does the synergy between Arduino and LDR enhance electronic systems?

It increases the adaptability of electronic systems based on environmental conditions Signup and view all the answers

What makes Arduino an ideal platform for creating interactive electronic projects?

Its user-friendly interface and flexibility Signup and view all the answers

What is the purpose of connecting the LDR to the Arduino board?

To control the behavior of the system based on varying light levels Signup and view all the answers

What does the 10K resistor in series with the LDR do in the Arduino with LDR project?

Regulates the current in the circuit Signup and view all the answers

What is the main role of the relay in the Arduino LDR Night Light Project?

To control the connection between the Arduino-controlled system and the AC light source Signup and view all the answers

What is the significance of adjusting the LDR_Threshold value in the Arduino code?

It determines at what light level the system should activate or deactivate Signup and view all the answers

What is a cautionary guideline provided for working with the Arduino LDR Night Light Project?

Improper use may result in serious injury or death due to high-voltage AC supply Signup and view all the answers

What is one real-world application of an Arduino LDR Night Light Project?

Home automation Signup and view all the answers