<p>It definitely means C1403 is enough. A lot of guys I knew who majored in electrical, computer, etc. took 1403 and didn’t take the second semester. For example, see:</p>
<p>[Electrical</a> Engineering: First and Second Years - Early-Starting Students](<a href=“http://engineering.columbia.edu/bulletin-charts/ee/ee_early_1st_and_2nd/index.html]Electrical”>http://engineering.columbia.edu/bulletin-charts/ee/ee_early_1st_and_2nd/index.html)</p>