Important dates in the development of computer technology

4000 BCWriting on stone tablets
3000 BC 1st abacus
1300 Chinese Abacus
1666Mechanical calculator that can add and subtract
1777Multiplying calculator
1832Babbage – difference engine
18931st four-function calculator
19271st live video image
1928Quartz clock
1935Punch card multiplication, electric typewriter
1939Atanassof – 1st digital binary computer
1945ENIAC, 1st bug
1947Magnetic drum memory (disk)
1951Illiac I
19521st compiler, Computer predicts election outcome
1954Silicon transistor
1957FORTRAN
1958Modem
1959COBOL, LISP, 1st copy machine
19601st computer with keyboard and monitor
19611st industrial robot
19621st video game
1963ASCII
1964BASIC, CAD, Mouse
1967four-function hand-held calculator
1968Millenium bug codified (YYMMDD)
1970Floppy disk, daisy wheel printer, UNIX
1971Microprocessor, PASCAL, first network e-mail message
1972Widespread use of calculators, Atari (pong), C, PROLOG, 1st detection of brain tumor
1973First chess-playing computers
1974Laser Printer
1975Ink-jet printer
1977Apple II, Tandy/Commodore have built-in monitors, MicroSoft
1978VAX, 8086 (16 bit processor)
1979VisiCalc
1980DOS selected by IBM for its PC's, dBase II
1981IBM PC introduced
1982PostScript
1983Lotus 123
1984Macintosh, MacPaint, CD-ROM, 80286
198580386 – 32 bit processing, PageMaker
1988RISC, NeXT
1989WWW proposed, 486
1990Windows 3.0; lawsuit by Apple
1991PowerPC alliance formed
1992Newton (PDA)
1993Pentium, Mosaic
1994Netscape
1995Java, Toy Story, Windows95