Programming Concepts with Karel

Front

Which control structure is best suited for repeating a block of code a fixed number of times? Options: While loop, For loop, If statement, If-else statement

Back

For loop

Front

What is the difference between turnLeft() and turnRight() commands in Karel?

Back

turnLeft() rotates Karel 90 degrees counter-clockwise, while turnRight() rotates Karel 90 degrees clockwise.

Front

Fill in the blank: The command turnRight() rotates Karel 90 degrees _______.

Back

clockwise

Front

Fill in the blank: The _______ command is used to rotate Karel 90 degrees clockwise.

Back

turnRight()

Front

What is the corrected version of the loop: 'for (var i = 0, i < 4, i++) { move(); }'?

Back

for (var i = 0; i < 4; i++) { move(); }

Front

Complete the code: 'function turnAround() { ___; turnLeft(); }'.

Back

turnLeft()

Front

What is the purpose of the 'while' loop in the simplified code?

Back

To repeat until a condition is false

Front

Which of the following is a benefit of using preconditions in programming? They make the code harder to understand, They ensure the program starts in a known state, They slow down the program, They are unnecessary.

Back

They ensure the program starts in a known state

Front

What is the role of the 'start' function in the pseudocode?

Back

To initiate the sequence

Front

What surrounds an if/else statement? Options: Quotations " ", Curly Brackets { }, Parenthesis ( ), Square Brackets [ ]

Back

Curly Brackets { }