Question

Why was the QWERTY keyboard layout originally designed in its current format?

a.

To make it easier to type common words

b.

To prevent arms of mechanical typewriters from jamming

c.

To make it easier to learn to type

d.

To fit more keys on the keyboard

Posted under Human Computer Interaction

Answer: (b).To prevent arms of mechanical typewriters from jamming Explanation:The QWERTY keyboard layout was originally designed to prevent the arms of mechanical typewriters from jamming. Common combinations of consecutive letters were placed at different ends of the keyboard so the arms would usually move from alternate sides.

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