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Middle School: 6th, 7th and 8th Grade
Computer Science
Debugging
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Q.1
Ellie thinks she has found a bug in her program. The program is to make a toy robot stop when it gets to a wall. This is the bug: Forward Wall? Yes - Forward No - Stop Ellie corrects the code. What does she write?
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Forward Wall? Yes - Back No - Stop
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Forward Wall? Yes - Forward No - Back
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Forward Wall? Yes - Stop No - Forward
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Forward Wall? Yes - Back No - Forward
Q.2
Freddy is designing toy traffic lights. He programs a toy car to stop when the lights are red and go when the lights are green. He writes this program: 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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Stop - If Red, Go - If Green, Go
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Stop - If Red, Stop - If Green, Stop
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Go - If Red, Stop - If Green, Go
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Go - If Red, Stop - If Green, Stop
Q.3
What is a mistake in a program called?
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A code
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A bit
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A byte
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A bug
Q.4
Alice has a program to make a computer do sums. There are three codes she can use: ADD SUBTRACT SHOW Alice wants the computer to add two numbers and show the result. Alice writes: ADD SUBTRACT SHOW There is a bug in Alice’s code. What should she write?
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SUBTRACT SHOW
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SHOW ADD
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SHOW SUBTRACT
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ADD SHOW
Q.5
Programs are written. Then they are tested. Any bugs are put right. Then they are tested again until they are working properly. This is called the _________ cycle.
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Cycling
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Debugging
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Yearly
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Round
Q.6
Ellie’s program does not work. So Ellie looks for the bug and puts it right. Ellie is _________ the program.
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Debugging
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Executing
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Running
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Testing
Q.7
Ellie debugs her program. It works really well all the time now. Ellie’s program is a _______.
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Failure
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Success
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Mess
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Disaster
Q.8
Sunil has written a program for a washing machine. The washing machine must wash, rinse and spin in that order. He writes a code: Rinse Wash Spin His program does not work properly. What should Sunil write?
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Spin Rinse Wash
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Wash Spin Rinse
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Rinse Wash Spin
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Wash Rinse Spin
Q.9
Ellie is trying out a program. She is _______ it.
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Writing
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Spelling
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Testing
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Adding
Q.10
What will happen if there is a bug in Ellie’s program?
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The program will work properly
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The program will not work properly
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The program will work all the time
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The program will be great
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