Users Manual

SCRATCH CODING KIT
Intro to debugging
What is debugging?
Debugging is important in learning a program.
Debugging fixes program errors like fixing mistakes in a class project. Sometimes, a computer might not recognize
the code you made and the program won’t start at all.
Debugging finds the errors of a program and fixes them so the program will start correctly.
50 years ago, a computer was big enough to fill up a whole room!
The word ‘debugging’ was made by Grace Hopper in US navy.
When she was working in summer of 1945, computer kept showing errors, so she checked the computer and
found a dead moth. She called it ‘debugging’ when removing the bug, making an important achievement.
Hopper taped the moth on the computer journal and wrote ‘first bug founded’.