The forger USES an optical scanner to turn a legitimate document into a digital image stored in the computer's memory.

伪造者用一台光学扫描器把正式文件变成数字图像，存放在计算机的储存器中。

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Pixels, memory, optical and digital zoom, camera size and cost are all factors to compare.

像素、存储、光学及数码变焦相机体积和成本等因素比较。

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This invention will apply to large capacity digital image memory of digital hard disk recorder, digital tape recorder and optical disk recorder and the like.

本发明应用于大容量的数字图像存储的数字硬盘录像机，数字磁带录像机及光盘录像机等装置。

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Consumer devices use common digital storage technology such as flash memory, hard disk drives or optical discs.

FORBES: Will You Remember Me When I am Gone: The Persistent Danger of Data Loss

As can be seen, traditional film use is 15% or less with digital technologies such as optical discs, hard disk drives, magnetic tape and flash memory are the bulk of modern recording media.

FORBES: End of the Reel