Learn the fundamental building blocks of algorithms and how they are used in computer science.

I've just released a new course in our computing section: AP®︎ Computer Science Principles. This review course includes 600+ practice questions, plus instructional articles and videos covering the topics of computers, the Internet, programming, algorithms, and data analysis. Here are the highlights:

Jun 2, 2020 · Now that this year's AP CSP students have submitted their portfolios, we've updated the course to reflect the new AP CSP 2020-2021 standards from the College Board. We've added: New unit: Digital Information

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A byte is a sequence of 8 bits (and remember, a bit is the smallest piece of digital information, 0 ‍ or 1 ‍ ). A single byte is enough bits to represent 256 numbers, because 2 8 = 256 ‍ . That also means a byte is big enough to represent a single letter in the ASCII encoding standard.

Jul 10, 2020 · Now that this year's AP CSP students have submitted their portfolios, we've updated the course to reflect the new AP CSP 2020-2021 standards from the College Board.

Jun 1, 2020 · Now that this year's AP CSP students have submitted their portfolios, we've updated the course to reflect the new AP CSP 2020-2021 standards from the College Board.

Khan Academy

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可汗学院 - Khan Academy