CodeHS Unit 5 - Booleans

Which is not a valid value for a Boolean?

• true

• false

• yes

• None of these are correct.

Which symbol represents and in JavaScript?

• &&

• !

• ==

• ||

Which symbol represents or in JavaScript?

• ||

• &&

• >

• !

What means that two values are equal in Boolean?

• ++

• ==

• =

• >=

Which means is not equal?

• =!

• ||

• !=

• ++!

What is the result of the following?

9 % 2?

• 1

• 4.5

• 7

• 11

What is missing? (fill in the blank)

_____(var i = 0; i < 5; i + +){

• if

• else

• for

• while

Which is appropriate for a variable name?

• duke_Devils

• 1Duke

• DUKE#1

• Duke Devils

Which returns a random number between 1 and 55?

• randomInt(1, 55)

• randInt(1, 55)

• Randomizer.int(1, 55)

• Randomizer.netInt(1, 55)

How many possible values can Randomizer.nextBoolean() return?

• 0

• 1

• 2

• 3