QA vs QC
Learn the difference between preventing bugs and finding them.
What you'll learn
- Tell QA and QC apart.
- Explain how QA improves process.
- Explain how QC checks the product.
FoundationlessonsJump to another lesson
QA vs QC
Learn the difference between preventing bugs and finding them.
Big Picture
One small picture can make this idea easier to hold.
QA
- Prevents defects.
- Improves process.
- Looks at how work is done.
- Uses standards and habits.
QC
- Finds defects.
- Checks the product.
- Looks at the output.
- Uses tests and reviews.
VerdictQA and QC work together, but they are not the same.
How It Moves
Short steps make the flow easier to see.
Set rules
Agree on a good way to work.
Build
Make the product with those rules in mind.
Check
QC looks for defects in the result.
Improve
QA updates the way the team works.
Step By Step
This is the same idea, stretched across time.
- 1
Process idea
The team sets a better way to work.
- 2
Product check
The team checks what was built.
- 3
Defect found
QC spots a problem in the output.
- 4
Process fixed
QA helps stop the same issue next time.
One Small Model
Think of this like a tiny card you can keep in your pocket.
Quality loop
4 fieldsQuick Check
Which one is QA?
Map It
One more picture helps you see where this lesson matters most.
Process vs product
QC detect
Find a bad screen
QA prevent
Add a review step
QC inspect
Check a release build
QA improve
Update team rules