The daisy wheel can be changed to provide different type faces;however,daisywheel printters cannot print graphics and can only print more than one type face in the same document if the daisy wheels is changed some softwere data facts figues and symbols especially as stored in computers.The term is ofter used to mean raw unpropossed facts as distinct from ingormation to which a meaning or interpretaion has been applied .
Data base structured collection of data which may be manipulated to select and sort desired items of information .There are three maintypes(or models)hierachical,network and relational of which relational is the most widely used.A free text base is one that holds the unstructured text of articals or books in aform htat permitts rapid searching .A data base-management systems(DBMS) program program ensures that the integrity of the data is maintained by controlling the degree of access of teh applications programs using the data.Data bases are no longer only used by large organizations with mainframes or minicomputers but are now widely available on micro computers .
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment