CodeHS 2.11 If Statements

Which of these inputs will cause something to print to the screen?

• 3

• 23

• 0

• -5

• -1

What will be printed if this code is executed and the user enters 23?

Which conditional statement should be used for this situation:

If there is a ball present, Karel should take it. If there is no ball present, Karel should turn around.

• if

• if

  if

• if

  else

• none of these

Which conditional statement should be used for this situation:

If there is a ball present, Karel should take it. If the front is clear, Karel should move forward.

• if

• if

  if

• if

  else

• none of these

Which conditional statement should be used for this situation:

If there is a ball, Karel should take it. Then Karel should move forward.

• if

• if

  if

• if

  else

• none of these

Which conditional statement should be used for this situation:

If the front is clear, Karel should move. Otherwise, Karel should turn around.

• if

• if

  if

• if

  else

• none of these

Which conditional statement should be used for this situation:

Karel should drop a ball and then move forward until she reaches the end of the row.

• if

• if

  if

• if

  else

• none of these

What delimits a condition?

• ( )

• { }

• [ ]

• < >

What delimits a block?

• ( )

• { }

• [ ]

• < >

What kind of control structure is an if statement?

• sequence

• selection

• iteration

• structure