I guess there are now digital amplifiers, but I know even less about those than about analog amplifiers. A CD transport is what spins a CD and reads the digital information stored on the CD. A DAC is what translates the digital signal into an analog signal. And a CD player combines the transport and the DAC into a single chassis.
One of the most popular versions of Cinderella was written by Charles Perrault in 1697. The popularity of his tale was due to his additions to the story including the pumpkin, the fairy-godmother and the introduction of glass slippers.
Hans Christian Andersen created The Little Mermaid; Cinderella was penned by Charles Perrault; the Brothers Grimm wrote Snow White. Yet for years, Disney has maintained tight control over many fairy tale characters, fueling the misconception that Disney is their ultimate or only rights holder.