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.
Optical Drive. In the real world, optical refers to vision, or the ability to see. In the computer world, however, optical refers to lasers, which can see and read data on optical discs.These discs include CDs and DVDs, which are made up of millions of small bumps and dips.Optical drives have lasers that read these bumps and dips as ones and zeros, which the computer can understand.n the real world, optical refers to vision, or the ability to see. In the computer world, however, optical refers to lasers, which can see and read data on optical discs.