Digital memory device no relation analog photography
Multifunctionality and connectivity
In most digital camera (except some high-end linear array cameras and simple, low-end webcams), a digital memory device is used for storing images, which may be transferred to a computer later. This memory device is usually a memory card; floppy disks and CD-RWs are less common.
In addition to taking pictures, digital cameras may also record sound and video. Some function as webcams, some use the PictBridge standard to connect to printers without using a computer, and some can display pictures directly on a television set. Similarly, many camcorders can take still photographs and store them on videotape or flash memory cards with the same functionality as digital cameras.
Digital photography is an example of the shift from analog information to digital information. In the past, conventional photography was an entirely chemical and mechanical process that did not require electricity. Now, modern photography is a digital process in which analog signals are converted to and stored as digital data using built-in computers.
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