Example image of eyePlorer eyePlorer map for 'Central processing unit': Computer program Design Integrated circuit Mainframe computer Minicomputer Transistor Nanometre Automobile Mobile phone ENIAC J. Presper Eckert John Mauchly First Draft of a Report on the EDVAC John von Neumann Computer data storage Konrad Zuse Harvard architecture Harvard Mark I Punched tape Digital Relay Vacuum tube Direct current Sequential logic EDVAC Clock rate Hertz Printed circuit board Die (integrated circuit) Semiconductor NOR gate Apollo Guidance Computer 360 IBM IBM System z Microcode Digital Equipment Corporation PDP-8 PDP-11 SIMD Vector processor Cray Microprocessor Supercomputer Intel 4004 Intel 8080 Computer architecture Personal computer Capacitance Moore's law