The document provides 10 facts about early computers and technology: the ENIAC weighed over 27 tons and took up 1,800 square feet; Doug Engelbart invented the first computer mouse made of wood around 1964; there are over 5,000 new computer viruses released each month; the first 1GB hard disk drive announced in 1980 weighed 550 pounds and cost $40,000; the original name for Windows was Interface Manager; and the first microprocessor created by Intel was the 4004, which was designed for a calculator.