Draw the path of the robot through the grid below if the following program is executed (the robot starts in the square marked by the ↑ facing in the direction of the arrow) - AQA - GCSE Computer Science - Question 9 - 2021 - Paper 1
Question 9
Draw the path of the robot through the grid below if the following program is executed (the robot starts in the square marked by the ↑ facing in the direction of the... show full transcript
Worked Solution & Example Answer:Draw the path of the robot through the grid below if the following program is executed (the robot starts in the square marked by the ↑ facing in the direction of the arrow) - AQA - GCSE Computer Science - Question 9 - 2021 - Paper 1
Step 1
Execute Forward(2)
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Answer
The robot moves 2 squares forward from its starting position, resulting in it being at (1, 0).
Step 2
Execute TurnLeft()
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Answer
The robot turns left, now facing the upward direction.
Step 3
Execute Forward(1)
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Answer
The robot moves 1 square forward, advancing to (1, -1).
Step 4
Execute TurnRight()
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Answer
The robot turns right, now facing the right direction.
Step 5
Execute Forward(1)
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Answer
The robot moves 1 square forward, reaching (2, -1).
