GD-ROMS ● Features Online databases in CD-ROM medium Portability Cheaper more convenient access until the Web becomes the gateway for cd-rom access Noticeable problem in updating the database Hypertext or hypermedia is heavily used in CD-ROM Becoming an obsolete technology? g IR capabilities Introduce the browsing feature other iR techniques similar to those of online databases Slower in speed 1010 CD-ROMs Features ¨ Online databases in CD-ROM medium ¨ Portability ¨ Cheaper & more convenient access until the Web becomes the gateway for CD-ROM access ¨ Noticeable problem in updating the database ¨ Hypertext or hypermedia is heavily used in CD-ROM ¨ Becoming an obsolete technology? IR capabilities ¨ Introduce the browsing feature ¨ Other IR techniques similar to those of online databases ¨ Slower in speed