What is the difference between BA and BS computer science?

Colleges and Universities A-Z Boston University
1

I found there is a BA computer science under College of Arts and Science and a BS degree under MET.

Which one is better and more reputed? Which computer science department is the one that has most been referred to?

2

anyone can help?

3

MET is the part time evening and online division of BU that caters mostly to adults.