6.1-6.3 Control Structure Quiz

Q. 

Which of the following is NOT a logical operator?

• !

• ==

• &&

• !

A variable that can only have two values, True or False.

• If/Else

• If Statement

• Boolean Expression

• Else Statement

What is an If Statement?

• An expression that evaluates if a variable is true or false

• A statement that tests if two values are equal

• A type of conditional that lets you complete a task if the condition is "true"

• A statement that tests if two values are unequal

What is an If/Else Statement?

• a repetition control structure that allows you to efficiently write a loop that needs to be executed a specific number of times.

• a control flow statement that executes code repeatedly based on a given Boolean expression.

• a control flow statement that executes code repeatedly based on a given Boolean expression.

• A conditional statement that runs a different set of statements depending on whether an expression is true or false.

Below, create a variable and assign it a boolean value of either true or false.

What would be the output of the following program?

function main() {

let isHot = false;

if (isHot) {

console.log("The temperature feels great!");

} else {

console.log("It's too darn hot!");

}

}

main();

• This program has no output.

• It's too darn hot!

• This program will run an error.

• The temperature feels great!

T/F: readBoolean means is used to read one input byte and if the byte read is zero this method returns false and if the byte read is nonzero then this method returns true.

• True

• False

What symbols represents the or operator in JavaScript?

• OR

• ||

• |

• or

After the following code runs, what is the value of isWeekend?

let isSaturday = true;

let isSunday = false;

let isWeekend = isSaturday || isSunday;

• "isWeekend"

• "isSaturday || isSunday"

• true

• false

What is this operator? !

• OR

• and

• NOT

• NOT Equal To