Some terms relating to digital technology are bandied about often, but it may not be clear what they actually mean. Data and memory are two of the key terms many people interested in the latest computer or smartphone might discuss. This comprehensible book for the young tech expert explains not only these terms but also about bits, bytes, and variables. Readers will be excited to learn what coding and computers can actually accomplish, including aiding with space exploration! Two short biographies of famous programmers conclude the book, helping readers envision a future career in computers for themselves.