9). In the case of K + and Cl - , the electrical and concentration gradients of molecules work against each other. K + is attracted toward the inside of a cell because of the inside-negative membrane potential, but the moleculeâs concentration gradient works in the other direction.
Directory Definition. The term directory is used in a computer software context to refer to what appears to the user to be a container or folder1 that can hold files and other directories. A file is a named collection of related data that appears to the user as a single, contiguous block of information and that is retained in storage.
Screenshot of a Windows command prompt window showing a directory listing. In computing, a directory is a file system cataloging structure which contains references to other computer files, and possibly other directories.iles are organized by storing related files in the same directory. In a hierarchical filesystem (that is, one in which files and directories are organized in a manner that resembles a tree), a directory contained inside another directory is called a subdirectory.