ଅର୍ଥ : A software module that extends or enhances the capabilities of an existing application.
ସମକକ୍ଷ : add-on
ଅର୍ଥ : A printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilities.
ସମକକ୍ଷ : add-in, board, card, circuit board, circuit card