The first computer mouse was rectangular and made of wood It was invented by Douglas Engelbart in 1964. The mouse consisted of a single or pair of wheels to translate motion into movement on a screen. Engelbart patented the mouse as the ‘X- Y Position Indicator for a Display System’. The first ever computer virus was developed in 1971, named Creeper It was created as an experiment to see how it could spread between computer. It had no malicious intent other than to display the message ‘I’m the creeper, catch me if you can!‘. With each new computer infected, Creeper...

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