Intro To Computer Science Quiz #3

What comes at the end of a statement?

• Semi-colon

• Colon

• Curly brace

• Parentheses

What is missing from the following code?for int i=0; i<45; i++{forward(20);left(45);}

Which of the following are the basic drawing commands?

• SetPenWidth(); forward(); backward(); right();

• Forward(); backward(); setHeading(); setPostion();

• Forward(); backward(); left(); right();

• SetPenColor(); backward(); right(); forward();

Which of the following is correct?

• SetpenColor(Color.blue)

• SetDisplay(Color.orange);

• SetDisplayColor(blue);

• SetPenColor(Color.pink);

PenUp();forward(100);right(90);forward(50);right(90);forward(100);right(90);forward(50)

• A rectangle

• A square

• Some lines

• Nothing

What will happen?for(int i=0; i<4; i++) { forward(50); right(90); }setDisplayColor(Color.blue);

• You will see a square with blue background.

• You will see four squares on a blue background.

• You will only see a blue background.

• Nothing will happen.

What will happen?The turtle starts at it's original position. A setPosition command is used and nothing else. 

• The turtle will do nothing

• The turtle will move to the new position

• The turtle will draw a line to the new position

Create the code for making a circle. You must use one of the loop codes.

Write the code for making a triangle. You do not need to worry about the angles. Just type in the basic drawing commands.

Explain what the following code will do.int h=0;while(h<10){ for(int i=0; i<4; i++) { forward(50); right(90); } h++;}