History of Computers. 3000 BC The abacus is invented in Babylonia. The Antikythera Device, a bronze mechanical lunar month calculator, is constructed.

History of Computers

3000 BC

The abacus is invented in Babylonia.

The Antikythera Device, a bronze mechanical lunar month calculator, is constructed in Greece.

80 AD

1666

Samuel Morland built a mechanical calculator that will add and subtract.

1679

Leibniz introduces binary mathematics. As with decimal, octal, and hexadecimal numbers, are organized into columns.

The first typewriter is patented by William Austin Burt. It's slow and clumsy, but it's the first writing machine

1829 1850

George Boole develops Boolean Logic which will one day become the basis for computer logic.

Howard Aiken begins work on the Harvard Mark 1 with funding from IBM

1939 1956

IBM builds the first hard drive. It contains fifty 24 inch disks, has a capacity of 5 MB and costs over US$1,000,000

1971

ALAN SHUGART AND IBM CREATED THE FLOPPY DISK. Nicknamed the "Floppy" for its flexibility.

1983

The first home computer with a GUI, graphical user interface.

1985

Microsoft begins the friendly war with Apple.

There are now about 1000 known computer viruses, up from 5 in 1988

1992

1998

Apple releases the iMac

2006

Skype announces that it has over a 100 million registered users.

2010

Apple then created the ipad which is a hand held computer, you can search the web, books, play games and so much more.