Recommended Minimum Cage Sizes: 1  Minimum size for 1 parakeet = 20â³ long x 18â³ deep x 18â³ high (Volume = 6,480â³ cubic inches). 2  Minimum size for 2 parakeets = 30â³ long x 18â³ deep x 18â³ high (Volume = 9,720â³ cubic inches) We offer this size to our budgie parakeet adopters â please see our bird supplies page for details. Minimum size for 2 parakeets = 30â³ long x 18â³ deep x 18â³ high (Volume = 9,720â³ cubic inches) We offer this size to our budgie parakeet adopters â please see our bird supplies page for details.
The most popular is a parallel ATA interface. A Optical drive is hardware that read and drive a DVD disk or programs. An optical drive is a drive that reads media in your computer. This  includes a disk drive, a CD , DVD, or Blu-Ray drive.   A device for reading discs on which data is stored.
An optical disk drive uses a laser to read and write data. A laser in this context means an electromagnetic wave with a very specific wavelength within or near the visible light spectrum.Different types of discs require different wavelengths.omputer software also often comes on one of these discs, so you need an optical drive to install software. Most modern drives allow you to write to an empty disc, so you can create your own music CDs or create a back-up copy of important data.