ENIAC
The first electronic computer, ENIAC, weighed more than 27 tons and took up 1800 square feet.
Symbolics.com
On March 15, 1985, Symbolics Inc., a computer manufacturer in Massachusetts, registered the domain name Symbolics.com, making it the first appropriately registered .com domain globally.
Mydoom Virus
Mydoom is the fastest-spreading and the most devastating computer virus to date, which caused more than $38 billion in damage.
