There is no particular year. It was a gradual process starting primarily around the late 70's to early 80's and on through today. Many younger people today have never even seen a typewriter.
they both have keyboards
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Typewriters gave way to word processors and defined the keyboard standard we take granted for today.
typewriters laptops and desktop boards
computers typewriters
Victorian typewriters were used for typing documents by pressing keys to imprint ink on paper. They allowed for faster and more legible typing compared to handwritten documents. These typewriters have a different design and mechanism compared to modern typewriters and computers.
About 10,000 new typewriters were sold per year in the United States by the year 1900.
Yes, typewriters were widely used in 1912. They were commonly found in offices, businesses, and households for various typing tasks before the advent of computers.
Electric typewriters began to become a regular thing in the 1970's, and, believe it or not, some people used them all the way until the 1990s when computers became a regular device (though most offices had computers installed in the 1980s). The final typewriters were much more advanced than you might think-- some electric typewriters from the late 1980s had LCD displays and printers that could be plugged in. It was not the typical, loud, clacky typewriter of the early 20th century.
Based on my own experience, people were still using typewriters into the 90's. Not because it was cool, but because computers were still pretty lame and not everyone had one.