By Qingyang Li
Nowadays, computers have become the most important tools in our daily life. They are completely change our lives in so many ways. Although computers have been developed in decades, there are still some fun facts you may not know,and here I am going to introduce some of them to you.
1. The first electronic computer ENIAC weighted more than 27 tons and took up 1800 square feet.
2. Only about 10% of the world 's currency is physical money ,the rest only exists on computers.
3. Typewriter is the longest word that you can write using the letters only on one row of the keyboard of your computer.
4. Doug Engelbart invented the first computer mouse in around 1964 which was made of wood.
5. There are more than 5000 new computer viruses are released every month.
6. Around 50% of all Wikipedia vandalism is caught by a single computer program with more than 90% accuracy.
7. If there was a computer as powerful as the human brain, it would be able to do 38 thousand trillion operations per second and hold more than 3580 terabytes of memory.
8. The password for the computer controls of nuclear tipped missiles of the US was 00000000 for eight years.
9. Approximately 70% of virus writers are said to work under contract for organized crime syndicates.
10. HP,Microsoft and Apple have one very interesting thing in common-they were all started in a garage.
11. An average person normally blinks 20 times a minute ,but when using a computer he/she blinks only 7 times a minute.
12. The house where Bill Gates lives,was designed using a Macintosh computer.
13. The first ever hard disk drive was made in 1979, and could hold only 5MB of data.
14. The first 1GB hard disk drive was announced in 1980 which weighted about 550 pounds, and the price was 40,000 dollars.
15. More than 80% of the emails sent daily are spams.
16. A group of 12 engineers designed IBM PC and they were called as " The Dirty Dozen."
17. The original name of windows was interface Manager.
18. The first microprocessor created by Intel was the 4004. It was designed for a calculator ,and in that time nobody imagined where is would lead.
19. IBM 5120 from 1980 was the heaviest desktop computer ever made. It weighed about 105 pounds, not including the 130 pounds external floppy drive.
20. Genesis Device demonstration video in Star Trek 2: the Wrath of Khan was the first entirely computer generated movie sequence in the history of cinema . That studio later become Pixar.
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