• QWERTY keyboards have been around for a long time. Most of us have assumed that the unique key configuration, rather than ABCD, is due to people who used mechanical typewriters in the past moving their fingers too quickly, causing the typewriters to jam. 
• There are various sorts of keyboards available for electronic devices, with the conventional PC type keyboards standing out. Yes, we're referring to the ones we use on our computers. QWERTY is the most popular and widely used keyboard layout.
• The cause for this can be traced back to the days of manual typewriters. When they were initially invented, they had alphabetical keys, but people typed so quickly that the mechanical character arms became tangled. As a result, the keys were placed at random to slow down typing and prevent key jams.

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