Lesson 3.7 Answer Key
Introduction
Welcome to the answer key for Lesson 3.7! In this lesson, we will be providing you with the answers to the exercises and questions in Lesson 3.7. This will help you check your understanding and ensure that you have grasped the concepts covered in this lesson. Let's dive in!
Exercise 1: Multiple Choice
1. B
2. A
3. C
4. D
5. B
Exercise 2: True or False
1. True
2. False
3. True
4. False
5. True
Exercise 3: Fill in the Blanks
1. variable
2. loop
3. syntax
4. algorithm
5. debugging
Exercise 4: Short Answer
1. A loop is a programming construct that allows you to repeat a set of instructions multiple times.
2. An algorithm is a step-by-step procedure or formula for solving a problem.
3. Debugging is the process of finding and fixing errors or bugs in a program.
4. A variable is a named storage location in a computer's memory where data can be stored and retrieved.
5. Syntax refers to the rules and structure of a programming language.
Exercise 5: Coding Challenge
Here is one possible solution to the coding challenge:
``` function calculateSum(num1, num2) { return num1 + num2; } console.log(calculateSum(5, 7)); // Output: 12 ```
This code defines a function called `calculateSum` that takes in two numbers as parameters and returns their sum. The `console.log` statement then calls this function with the numbers 5 and 7 as arguments, and prints the result to the console.
Exercise 6: Discussion Questions
1. What is the difference between a while loop and a for loop?
2. Why is it important to write clear and concise code?
3. How can you use comments to enhance the readability of your code?
4. What are some common debugging techniques?
5. Why is it important to test your code?
Conclusion
Congratulations on completing Lesson 3.7! You can now check your answers and ensure that you have understood the concepts covered in this lesson. If you have any further questions or need clarification, don't hesitate to reach out to your instructor or classmates. Keep up the great work!