Send in SAT or ACT scores or both?

I am wondering whether to send in my ACT, SAT , or both to colleges. I am planning to major in Computer Science if that helps.

SAT total: 2230 (one sitting)
SAT Math: 800
Sat CR: 750
SAT Writing: 680

ACT composite: 34 (one sitting)
ACT math: 34
ACT english: 33
Act reading: 34
Act science: 33

Also, I heard that some schools for the computer science department only looks at the SAT Math and CR scores. I am wondering if this is common for colleges or just a select few.

They are comparable so send either one. As far as looking only at M and CR, that varies by college. On that basis your SAT is slightly better.