(1) Short for data access objects,objects that work with the Jet database engine. DAO objects are generally created with Visual Basic. Once created, a DAO object can be accessed and manipulated by any application that can use the Jet engine. This includes all of the applications in Microsoft Office, such as MS-Word, MS-Access, and Excel.
(2) Short for disk at once, a method of recording to CD-R disks in which all data is written in a single session.
Since 1995, more than 100 tech experts and researchers have kept Webopedia’s definitions, articles, and study guides up to date. For more information on current editorial staff, please visit our About page.
ADVERTISER DISCLOSURE: SOME OF THE PRODUCTS THAT APPEAR ON THIS SITE ARE FROM COMPANIES FROM WHICH TECHNOLOGYADVICE RECEIVES COMPENSATION. THIS COMPENSATION MAY IMPACT HOW AND WHERE PRODUCTS APPEAR ON THIS SITE INCLUDING, FOR EXAMPLE, THE ORDER IN WHICH THEY APPEAR. TECHNOLOGYADVICE DOES NOT INCLUDE ALL COMPANIES OR ALL TYPES OF PRODUCTS AVAILABLE IN THE MARKETPLACE.