AP Computer Science Principles CODE UNIT 7 Assessment

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What is the purpose of using parameters in a function in JavaScript?

• To store temporary data
• To execute a block of code
• To simplify code by allowing the same code to be used on different data
• To display output on the webpage

Which keyword is used to define a function in JavaScript that should return a value?

• run
• display
• show
• return

In JavaScript, what does the 'return' keyword do in a function?

• Stops the function from executing
• Outputs a result from the function
• Loops through the code again
• Clears the console log

Which of the following is NOT a benefit of using functions in JavaScript?

• Reusability of code
• Improved readability
• Increased complexity of code
• Better organization

What is the purpose of using libraries in JavaScript?

• To reduce code complexity and improve efficiency
• To slow down program execution
• To confuse programmers
• To increase the size of the program

How can you access functions from an external JavaScript library within your code?

• By copying the entire library code into your file
• By importing the library at the beginning of your code
• By rewriting the functions from the library
• By changing the function names in the library

Which of the following is a true statement about JavaScript libraries?

• Libraries can only be used in one program
• Libraries cannot contain functions
• Libraries are designed to be reusable in other programs
• Libraries are not useful for organizing code

What is the correct way to call a function named 'findAverage' in JavaScript?

• run findAverage();
• execute find Average();
• call findAverage();
• findAverage();

What do you use to indicate that a function will return a value in JavaScript?

• returnVal
• output
• compute
• return