An information repository is a collection of data that is stored and organized for easy access. It can include databases, archives, and CD-ROMs. A DATABASE is a structured set of data held in a computer, which is organized so that its contents can easily be accessed, managed, and updated. An ARCHIVE is a collection of historical records or documents that are kept for future reference or research. A CD-ROM is an optical disc that contains digital data, such as text, images, audio, and video. All of these components make up an information repository, which is used to store and organize data for easy access.