COMPUTER NETWORKS AND COMMUNICATIONS
NETWORK SECURITY AND CYBERSECURITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What makes the following command an invalid Karel command?turnleft();
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It should end in a colon rather than a semicolon
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The l should be a capital L
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It should start with a capital T
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This command is correct
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Explanation:
Detailed explanation-1: -As it turns out, there is a way for Karel to make right turns. Karel can “turn right” by turning left three times. Three lefts make a right!
Detailed explanation-2: -Karel Commands. Basic Karel J Robot Commands. move(); // moves 1 unit forward. turnLeft(); // turns to the left 90 degrees. pickBeeper(); // picks up 1 beeper and puts in bag.
Detailed explanation-3: -The Anatomy of a Right Turn Karel can “turn right” by turning left three times. Three lefts make a right!
Detailed explanation-4: -A command is an instruction for an action that Karel can do. Karel only knows four commands: move(); putBall(); takeBall(); turnLeft(); These are the only four words that Karel understands.
There is 1 question to complete.