The presentation discusses different types of storage media, including internal hard disks and external devices like pen drives, memory cards, and CDs/DVDs. It explains that storage media are used to save applications, user information, pictures, videos, music and data. Internally, computers use hard disks to store information permanently, while external storage devices allow users to transfer data between computers and other devices. Common external storage media discussed include flash memory cards, pen drives, and CDs/DVDs with varying storage capacities.