https://www.khanacademy.org/computing/computers-and-internet/xcae6f4a7ff015e7d:computers/xcae6f4a7ff015e7d:computer-files/a/files-introduction 2021-04-29T07:48:24Z What is a computer file? article https://www.khanacademy.org/computing/computers-and-internet/xcae6f4a7ff015e7d:computers/xcae6f4a7ff015e7d:computer-files/a/file-types-kinds-extensions 2025-06-30T13:20:07.025749019Z File types article https://www.khanacademy.org/computing/computers-and-internet/xcae6f4a7ff015e7d:computers/xcae6f4a7ff015e7d:computer-files/a/file-storage-sizes-and-types 2021-04-29T07:58:36Z File sizes article https://www.khanacademy.org/computing/computers-and-internet/xcae6f4a7ff015e7d:computers/xcae6f4a7ff015e7d:computer-files/e/file-storage--sizes--and-types 2023-05-22T02:50:05.302537921Z Files and sizes Check your understanding of files types, file metadata, and file sizes (bytes/kilobytes/etc), in this set of free practice questions designed for AP Computer Science Principles students. Pamela exercise