Unless stated otherwise, high school GPAs on UC web sites should be assumed to be the UC-recalculated weighted-capped version. But note that 3.0 or 3.4 is unlikely to gain admission to any of the six campuses you list.
You may want to ask directly which grades you should report for fall and spring semesters.
Be aware that CS is a highly popular major at most UCs, so you should expect admission to be more difficult than what general admission numbers may imply.