<p>[University</a> of California - Calculating GPA](<a href=“http://www.universityofcalifornia.edu/admissions/counselors/q-and-a/calculating-gpa/index.html]University”>http://www.universityofcalifornia.edu/admissions/counselors/q-and-a/calculating-gpa/index.html) says:</p>
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<p>A semester system college has two 15 week terms and a shorter (usually 8 week) summer session during the year (normal academic year is two semesters in fall and spring). A quarter system college has four 10 week terms during the year (normal academic year is three quarters in fall, winter, and spring). The college’s web site should have its calendar.</p>
<p>Yes, if you take a 3 unit course at a semester system college, you will get 3 semester units of college credit.</p>