Explain why Blu-Ray discs hold so much more data than regular DVDs. Name the three methods for recording WORM disks. Why is magnetic tape a popular storage medium? Explain how serpentine recording...

Explain why Blu-Ray discs hold so much more data than regular DVDs. Name the three methods for recording WORM disks. Why is magnetic tape a popular storage medium? Explain how serpentine recording differs from helical scan recording. What are two popular tape formats that use serpentine recording?