SUMMATIVE TEST (TOP DOWN DESIGN AND DECOMPOSITION WITH KAREL)

What is the name of the following function?

function turnRight(){

turnLeft();

turnLeft();

turnLeft();

}

• turnRight

• turnLeft

• Function

• Right Turn

In Karel's world, avenues run in which direction?

• East

• West

• North and South

• East and West

In Karel's world, streets run in which direction?

• North

• South

• East and West

• North and South

Which function will allow Karel to spin in circle?

• 
• 
• 
• 

What is a street in a Karel world?

• A row

• A column

• A single point

• Karel’s position

Answer explanation

A "street" in karel's grid world refers to a "row".

What is an avenue in a Karel world?

• A row

• A column

• A single point

• Karel’s position

Answer explanation

Correct! An avenue is a column.

Which command is written incorrectly?

• putBall();

• putball();

• turnLeft();

• takeBall();

Which code will put Karel in the position shown in second world?

• putBall(); putBall(); move(); move();

• move(); putBall(); move(); putBall();

• putBall(); move(); putBall(); move();

• move(); putBall(); putBall(); move();

Which code below will put Karel in the position shown in picture?

• move(); Move(); turnLeft(); move();

• move; move(); turnLeft; move();

• move(); move(); TurnLeft(); Move();

• move(); move(); turnLeft(); move();

If Karel is facing North and the code

turnLeft( );

turnLeft( );
runs; which direction is Karel facing now?

• North

• East

• West

• South