Analog uses film and digital uses memory. Also the process time of analog photography would take about 1 hour and digital would take seconds.
what are the different sources of digital images?
phone, camera, webcam, scanner
How are digital image files stored and played on a computer?
usb, removable card and played on windows media player or quick time.
How is digital image film quality measured?
digital is measured by MB. 1MB = 1,000,000 kb