Adele Goldberg and Robert Flegal of Xerox Palo Alto Research Center in 1982.
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East Sussex England
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The Chopin nocturnes consist of 21 pieces for solo piano written by Frédéric Chopin between 1827 and 1846.
Answer:
a computer. The advent of technology in all aspect of human life made life simple and easy.The fast processing and error checks makes writing in computer a unique to 20th century. The handwriting never significant here as one can take any font to inscribe the text and the standardization and uniqueness of each characters makes computer typing the best of all writing tools. The features available are enormous that one has different options available in writing in computers.
Explanation: