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Mark I
First electro-mechanical computer, using mechanical devices, weighed 5 tons, it used about 750,000 parts. -
ENIAC
First electronic high speed general purpose computer using vacuum tubes. -
EDSAC & EDVAC
First stored computer programs -
LEO & UNIVAC
First commercial automatic computers -
Transitors
Transistors were used as main logic elements, magnetic tapes and disks and magnetic cores to store data -
Apple II
First highly successful mass produced personal microcomputer. -
Integrated circuits
Integrated circuits was an entire CPU in one circuit. -
IBM PC
The IBM PC (Personal Computer) was one of the best and most advanced commercial computer to be made. -
First Apple Mac (Macintosh)
The First Macintosh was targeted mainly at home, education and creative professional markets and was very useful. -
Present
Now they are making extremely advanced computers with touchscreen, high definition screens, fast processors and easy to carry around.