Debugging
This Computer Science quiz is called 'Debugging' and it has been written by teachers to help you if you are studying the subject at elementary school. Playing educational quizzes is an enjoyable way to learn if you are in the 3rd, 4th or 5th grade - aged 8 to 11.
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Writing algorithms is fun. Writing code is fun. When you have written all the code, you have a program. Then you try out the program. This is called executing the program. But does the program work? What if there are bugs in the program? A bug is a mistake. Often bugs are there because the codes are in the wrong order. So then you have to go through all the code to find the mistake. This is called the debugging cycle. It is a bit like a detective puzzle.
ADD
SUBTRACT
SHOW
Alice wants the computer to add two numbers and show the result. Alice writes:
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There is a bug in Alice’s code. What should she write?
Rinse Wash Spin
His program does not work properly. What should Sunil write?
Forward
Wall?
Yes - Forward
No - Stop
Ellie corrects the code. What does she write?
Go
If Red, Go
If Green, Go
Freddy tests his program. But the car does not stop at a red light. Can you help Freddy debug his program? What should Freddy code?
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