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?

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?

What is a mistake in a program called?

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?

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.

Ellie’s program does not work. So Ellie looks for the bug and puts it right. Ellie is _________ the program.

Ellie debugs her program. It works really well all the time now. Ellie’s program is a _______.

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?

Ellie is trying out a program. She is _______ it.

What will happen if there is a bug in Ellie’s program?