Digital Picture Storage: CD Versus DVD
Digital cameras have allowed consumers to take unlimited photos without needing to use film, develop the pictures and store negatives. Storing digital pictures can be done on a computer, external hard drive, through online websites or on CD’s and DVD’s.
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Benefits
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Storing pictures on DVD or CD allows an individual to avoid taking up space on the hard drive of a computer or on an external hard drive. DVD’s and CD’s provide a second copy of photos in case a computer or hard drive crashes. They can also have a longer lifespan than hard drives.
CD
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A CD can hold approximately 700 megabytes of data.
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DVD
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A DVD can hold more photos than a CD. The storage capacity of a DVD is approximately 4.7 gigabytes. The number of photos that can be saved on a DVD depends on the size of the photo images.
Double Layer
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New double-layer discs can hold twice the amount of data compared with standard DVD’s. A double-layer DVD can hold 8.5 GB worth of images.
Tip
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Handling and storing CD’s or DVD’s carefully is important to prevent a disc from being scratched, which can lead to a loss of the pictures on the disc. Always handle a disc along the outer edge and store in a protective case.
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