Second,

The publication of a paper, "First Draft of a Report on the EDVAC," by John von Neumann. The paper summarized the ideas for the EDVAC, the successor of the ENIAC, and set forth the logical principles of modern computer design.

 

Inside the Computer - Basic Architecture
Main Memory Address Contents 0000 00101011 0001 11101111 0010 10101001 0011 00000000 0100 10001011 0101 00011000 0110 11111111 0111 01100010 1000 00101000 1001 11110000 1010 10101011 1011 10111100 1100 11010000 1101 01000111 1110 00001100 1111 10001001	CPU     Control Unit Program Counter 0001 Instruction Register 10011011 Instruction Decoder     Arithmetic Logic Unit Adder Multiplier Compare to Zero Test Equality etc...

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