History of Computers

Mark I

1942

First electro-mechanical computer, using mechanical devices, weighed 5 tons, it used about 750,000 parts.

ENIAC

1946

First electronic high speed general purpose computer using vacuum tubes.

EDSAC & EDVAC

1949

First stored computer programs

LEO & UNIVAC

1951

First commercial automatic computers

Transitors

1959

Transistors were used as main logic elements, magnetic tapes and disks and magnetic cores to store data

Apple II

1977

First highly successful mass produced personal microcomputer.

Integrated circuits

1979

Integrated circuits was an entire CPU in one circuit.

IBM PC

1981

The IBM PC (Personal Computer) was one of the best and most advanced commercial computer to be made.

First Apple Mac (Macintosh)

1984

The First Macintosh was targeted mainly at home, education and creative professional markets and was very useful.

Present

2000

Now they are making extremely advanced computers with touchscreen, high definition screens, fast processors and easy to carry around.