Unit 3 Quiz (Algorithms/Flowcharts and CodeHS 3.1 - 3.6)

Which of these is a valid Karel command?

• move;
• MOVE
• move();
• move()

What is a street in a Karel world?

• A row
• A column
• A single point
• Karel's position

What is an avenue in a Karel world?

• A row
• A column
• A single point
• Karel's position

If Karel starts at Street 1 and Avenue 3 facing East, what street (row) and avenue (column) will Karel be on after this code runs?

• Street 2 and Avenue 5
• Street 4 and Avenue 4
• Street 2 and Avenue 6
• Street 6 and Avenue 2

What is the correct definition of an algorithm?

• An algorithm is a step by step instructions to solve a problem.
• An algorithm is a process of baking bread.
• An algorithm is a software used to compute numbers.
• An algorithm is the process of breaking problems.

If Karel starts at Street 3 and Avenue 2 facing North, what street (row) and avenue (column) will Karel be on after this code runs?

• Street 6 and Avenue 2
• Street 6 and Avenue 1
• Street 2 and Avenue 5
• Street 5 and Avenue 2

If Karel is facing North and the code is: turnLeft(); turnLeft(); Which way will Karel be facing now?

• North
• South
• East
• West

The flowcharts have got special set of ___________ to represent the instructions.

• graph
• symbols
• charts

If Karel is facing South and the code is: turnAround(); which way will Karel be facing?

• North
• South
• East
• West

If Karel is facing East and the code is: turnLeft(); which way will Karel be facing?

• North
• South
• East
• West