Logical Operators Words or symbols used to express the relationships of key words that are used to search computer databases. Microfiche Flat, plastic sheets containing microimages of pages and read using a special machine. Microfilm A film containing reduced images of printed matter and stored on a reel. Readable on a special machine. Microform Printed material that has been photographed and reduced to a film format to help preserve the material and decrease the space needed for storage.
Special equipment is needed to read stored information.
Typical formats include microfilm and microfiche . Monograph Library term for a book on a single topic. The department where audio and visual materials are kept and checked out. Online Catalog A searchable, computerized database of materials owned by the Library and displaying the call number and location of the material. Examples include journals and magazines .