Computer Science

Question 1

Which of the following is best control structure for the following: Karel moves forward while the frontIsClear.

Accepted Answer

While loop

Question 2

An If statement repeats code as long as it is true

Accepted Answer

False

Question 3

Which of the following is best control structure for the following: Karel puts down a ball if there are none

Accepted Answer

If statement

Question 4

Which of the following is best control structure for the following: Karel puts down exactly 20 balls

Accepted Answer

For loop

Question 5

A message in your code that explains what is going on.

Accepted Answer

Comment

Question 6

Which is the correct command that Karel knows?

Accepted Answer

takeBall( );

Question 7

The "{ }" are used to encapsulate our code.

Accepted Answer

True

Question 8

A loop that lets us repeat code a fixed number of times.

Accepted Answer

for

Question 9

An instruction given to Karel

Accepted Answer

Command

Question 10

SuperKarel adds three commands

Accepted Answer

False

Question 11

To spinAround( ) Karel needs how many turnLeft( ); commands?

Accepted Answer

4

Question 12

Using the tab keyboard button to organize your code.

Accepted Answer

Indentation

Question 13

Top-down design is the same as decomposition.

Accepted Answer

True

Question 14

Which of the following commands is in the correct format?

Accepted Answer

turnLeft( );

Question 15

Syntax is programming language rules for grammar, spelling and punctuation.

Accepted Answer

True

Question 16

What's the missing word? public _____ turnRight( )

Accepted Answer

void

Question 17

A turnRight( ) method has three turnLeft( ); commands.

Accepted Answer

True

Question 18

Code that you put inside an if statement or while loop.

Accepted Answer

condition

Question 19

Which of the following is best control structure for the following: Karel moves until the front is blocked

Accepted Answer

While loop

Question 20

There is no difference between Karel and SuperKarel

Accepted Answer

False

Question 21

The method where a Java Karel program begins?

Accepted Answer

run method

Question 22

Which of the following is best control structure for the following: Karel picks up tennis balls until there are none

Accepted Answer

While loop

Questions 22