Electrical engineer and mathematician Claude Shannon, uses Boolean algebra to establish a working model for digital circuits. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
John Atanasoff and Clifford Berry designed the first electronic computer at Iowa State University. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
The world's first vacuum-tube programmable logic calculator, the Colossus, is built in Britain for the purpose of breaking Nazis codes. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
Alan Turing publishes his paper on the Automatic Computing Engine, based on the principles of of speed and memory. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
ENIAC, the first electronic digital computer put into operation. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
Grace Murray Hopper developed a program that translates computer instructions from English into machine language. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
Jack Kilby of Texas Instruments and Robert Noyce of Fairchild Semiconductor independently develop the integrated circuit (IC). When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
Digital Equipment Corporation introduces the "compact" PDP-1 for the science and engineering market. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
John Kemeny and Thomas Kurtz develop BASIC (Beginners All-Purpose Symbolic Instruction Code) programming language specifically for the school's new timesharing computer system When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
Xerox Corporation assembles a team of researchers in information and physical sciences in Palo Alto, California with the goal of creating "the architecture of information." When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
First home computer marketed, called the Altair 8800 When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
Bill Gates and Paul Allen found Microsoft. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
Steve Jobs and Steve Wozniak, who formed the Apple Computer Company, released the Apple II, a desktop personal computer. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
William Moggridge of GRiD Systems designed first Laptop computer. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
Daniel Bricklin and Bob Frankston lauch the VisiCalc spreadsheet for the Apple II. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
IBM introduces the IBM Personal Computer with an Intel 8088 microprocessor and MS-DOS designed by Microsoft. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
Apple Computer introduces the Macintosh computer. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
Phillips and Sony combine efforts to introduce the CD-ROM, patented in 1970 by James T. Russell. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
Microsoft releases Windows 1.0 operating system. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979
The World Wide Web becomes available to the general public. When did it happen?
1945
1952
1958
1970
1939
1936
1981
1975
1964
1946
1991
1984
1985
1960
1977
1943
1979