3000B.C.

The counting board much like the later abacus is believed to be first used by the Babylonians circa.

1868

Christopher Sholes invents the typewriter in the United States utilizing the QWERTY keyboard.

1952

IBM introduces the first IBM 701.

1955

William (Bill) H. Gates is born October 28, 1955.

1970

Intel announces the 1103, a new memory chip containing more than 1,000 bits of information. This chip is classified as random-access memory (RAM).

1971

The first 8" floppy diskette drive was introduced

1971

Intel develops the the first processor, the 4004

1975

MITS ships one of the first PCs, the Altair 8800 with one kilobyte (KB) of memory. The computer is ordered as a mail-order kit for $397.00

1975

Paul Allen and Bill Gates write the first computer language program for personal computers, which is a form of BASIC designed for the Altair. Gates later drops out of Harvard and founds Microsoft with Allen.

1976

Shugart introduces the 5.25-inch floppy disk drive at $390.

1978

Epson introduces the FX-80, which becomes the first successful dot matrix printer for personal computers.

1981

MS-DOS 1.0 was released August, 1981.

1983

The QIC Standard becomes the first standard in the computer history for tape drives.

1984

The 3.5-inch floppy diskette is introduced and later becomes an industry standard.

1984

University of Southern California professor Fred Cohen creates alarm when he warns the public about computer viruses in his Computer Virus - Theory and Experiments paper.

1987

IBM introduces the PS / 2 personal computer, which has improved graphics, a 3.5-inch diskette drive, and proprietary bus to help prevent clone makers competition.

1991

Following its decision not to develop operating systems cooperatively with IBM, Microsoft changes the name of OS/2 to Windows NT.

1993

Intel releases the Pentium Processor. The processor is a 60 MHz processor, incorporates 3.2 million transistors and sells for $878.00.

1995

USB standard is released.

1997

Bill Gates is now the world's richest businessman.

2001

April 20, Dell computers becomes the largest PC maker.

2001

USB 2.0 is introduced.

2001

Microsoft Windows XP home and professional editions are released October 25, 2001.