In theory? Nothing at all.
In practice, some see the fact many tech employers give coding tests to people with CS degrees as a sign the standards at the end aren't as consistently high as one might hope.
In practice, some see the fact many tech employers give coding tests to people with CS degrees as a sign the standards at the end aren't as consistently high as one might hope.
I think a lot of interviewing style is fashion driven.
Also computer science isn’t necessarily about actually coding anyway. It’s mostly about algorithms and structure and complexity. Similarly, anyone who knows anything about university mathematics courses does not expect fresh graduates to be particularly good at arithmetic