Practice AP Computer Science Sem. Exam 2021

Given: var myNumbers = [32, 64, 33, 0, 15, 26, 31]

What will the value be for index:

myNumbers[4]

• 15

• 32

• 0

• 16

What will be displayed after this code segment is run?

• "opal"

• "saphirre"

• "garnet"

• "emerald"

What will be displayed in the console when this program runs?

_________________________________________

var numList = [10,20,30];

console.log(numList[numList.length-1]);

• 2

• 3

• 20

• 30

Given: var myNumbers = [32, 64, 33, 0, 15, 26, 31]

What will the value be for index:

myNumbers[0]

• 15

• 32

• 0

• 64

What will be displayed after this code segment is run?

• Perfect Game!

• You Win!

• You Lose!

• Nothing will be displayed

Given: var myNumbers = [32, 64, 33, 0, 15, 26, 31]

What will the value be for index:

myNumbers[3]

• 15

• 32

• 0

• 64

What is stored in studentScores after running the program code?

• [82, 0, 0, 97, 91]

• [5, 0, 0, 5, 5]

• [0, 37, 50, 0, 0]

• [77, 37, 50, 92, 86]

Which is better to be used for tasks that only need to be repeated in one place in your program?

• Functions

• Loops

Given: var myNumbers = [32, 64, 33, 0, 15, 26, 31]

What will the value be for index:

myNumbers[1]

• 15

• 32

• 0

• 64

What will be displayed after this code segment is run?

• "1 and 2 and 3"

• "and 1 and 2 and 3"

• "0 and 1 and 2"

• "and 0 and 1 and 2"