Flashes used by cameras will sometimes make people's eyes appear red. Many photo programs on cell phones and computers provide a feature called red-eye reduction. This feature attempts to find the unnaturally red eyes and remove the appearance of red eyes from the digital photo.
This is an example of:
A
Computers taking digital information and returning a false information to please its human masters.
B
The internet of things connecting cameras, photos, and databases to create better eyes in the digital photo.
C
Computers using digital information to filter the data and clean up the photo.
D
Metadata on the photos being manipulated and correct by a creative red-seeking algorithm.

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Write a method public static string getdigits(string phonenumber) that takes an 11-character phone number written with any combination of 11 uppercase letters, lowercase letters and/or digits, and zero or more hyphens, and which returns the digits that a person would have to press on a cell phone to dial that phone number. we will use the mapping of letters to digits given at en. wikipedia. org/wiki/telephone_keypad# /media/file: telephone-keypad2.svg you may assume that the string parameter phonenumber contains some combination of exactly 11 uppercase letters, lowercase letters and/or digits, but that any number of hyphens may be present. you can assume that a hyphen will not appear as the first or last character of the string. do not assum