There are are two basic methods of data entry, whereby keyboards use keystrokes to enter data and instructions, the nonkeyboard method is Source data entry.
Source data entry serves as one of the method of data entry which is regarded as a nonkeyboard method because it doesn't need the data to be typed-in.
The devices used in this source data entry are;
We can conclude that source data entry which is nonkeyboard method doesn't requires a data to be keyed-in.
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