Question

write any ten difference between CD and DVD?​

Answer 1

Answer:

DVDs (or Digital Versatile Disc), while an older bit of technology, are still used today to store large amounts of data (approx. 4.7 GB) and high definition material, like Blu-ray content. CDs (or Compact Disc) on the other hand are essentially obsolete software that stored moderate amounts of data (approx. 700 MB).

Answer 2

DVDs:

• Made with the purpose of storing video files, movies, large programs, etc.
• Ranges from 4.7 GB to 17.08 GB
• 650 nm laser, 10.5 Mbit/s (1x) [Read mechanism]
• 10.5 Mbit/s (1x) [Write mechanism]
• Usage is more compared to CDs
• Can use both sides for storage (of the disc)
• Transfer rate - 11MB/s
• Thickness - 0.6 mm
• Can only read data
• Made by Philips, Sony, Toshiba, Panasonic

CDs:

• Made for the purpose of holding audio files and some programs as well.
• Typically up to 700 MiB (up to 80 minutes audio)
• 780 nm wavelength (infrared and red edge) semiconductor laser, 1200 Kib/s (1x) [Read mechanism]
• 1200 Kib/s (1x) [Write mechanism]
• Usage is less compared to DVDs
• Uses one side for storage (of the disc)
• Transfer rate - 1.4 MB to 1.6 MB/s
• Thickness - 1.2 mm
• Can read and write data
• Made by Philips and Sony