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THE MARCH OF TECHNOLOGY (1942 (ELECTRONIC COMPUTER (INVENTOR: (JOHN V.…
THE MARCH OF TECHNOLOGY
1942
ELECTRONIC COMPUTER
INVENTOR:
JOHN V. ATANASOFF
USE:
LINEAR EQUATIONS SOLVER
1944
MARK Ⅰ
INVENTORS:
HOWARD G. AIKEN OF HARVARD & IBM
COMPONENTS:
MECHANICAL RELAYS
USE:
BASIC OPERATIONS
END OF 1943-1946
ENIAC (Electronic Numerical Integrator and Calculator)
INVENTORS:
J. PRESPER AND JOHN W. MAUCHLY
COMPONENTS:
19,000 VACUUM TUBES
70,000 RESISTORS
5 MILLION SOLDERED JOINTS
USE:
ARTILLERY TRAJECTORY CALCULATOR
PERFORMANCES PER SECOND:
5,000 ADDITIONS
357 MULTIPLICATIONS
38 DIVISIONS
MID- 40s
UNIVAC
INVENTORS:
VON NEUMANN'S & ECKERT-MAUCHLY TEAM
USE:
COMMERCIAL PURPOSES
PECULIARITIES:
INTEGRATED MEMORY UNIT
1950s
FIRST GENERATION OF COMPUTERS
UNIVAC Ⅰ (Universal Automatic Computer)
USE:
1950 CENSUS
PECULIARITIES:
SOFTWARE LANGUAGE: MACHINE LANGUAGE
EXTENSIVE TECHNICAL KNOWLEDGE
MID-50s
SECOND GENERATION OF COMPUTERS
PECULIARITIES:
TRANSISTOR
PRO:
SIZE
LOW COST
CONS:
INCREASED FAULTY WIRING
SOFTWARE LANGUAGE: ASSEMBLY
1959
FIRST INTEGRATED
INVENTOR:
JACK KILBY
1971
FIRST MICROPROCESSOR (4004)
PRODUCTION COMPANY:
INTEL
THIRD GENERATION OF COMPUTERS
1975
ALTAIR 8800
COMPONENTS:
256 BYTE MEMORY
1977
APPLE ⅠⅠ
SOFTWARE LANGUAGE:
BASIC
STORAGE MODE:
AUDIO-CASSETTE
1981
IMB PC
OS: MS-DOS