Name Inventory Year
Babylonians Abacus
John Napier Napier Bones 1617
side ruler 1632
Blaise Pascal Adding Machine (Pascaline) 1642
Gottfried Wilhems
Improved Pascal machine & It was called (Step
Reckoner) 1674
Joseph Jacquard Mechanical Loom 1801
Charles Babage Difference Engine 1822
Charles Babage Analytical Engine 1833
Herman Hollerith Tabulating machine 1890
Howard Aiken Sequence Controlled Calaculator (Mark I) 1944
Professor John
Vincent Atanasoff
& Cliff Berry
Antanasoff berry Computer
Between 1937-
1942
Prof. John Vincent
Atamasoff
John Von Neumann
A concept - to get different tasks performed by
using its stored programs without effecting any
physical changes to the computer
1942
Moor school of
electrical Engineering
of the university of
Pennsylvania
worlds 1st electronic digital computer ENIVAC
(Electronical Numerical Integrator and
Computer) this can carry abt 5,000 calculations
per second & used about 18,000vacuum tubes
1946
Charles Babage"Father of Computer"
Ada Augusta Lavelace"First Computer Programmer" Designed programms for the
"Analitical Engine"
Herman Hollerithwas one how established the IBM (International Business Machines)
ABC computer (** not obtained the patent license)
Remington Rand
Institution
UNIVAC-I (Universal Automatic Calculator -I) It
can carry about 10,000 calculations per second
1950
IBM
IBM704' It can carry about 100,000 calculations
per second
1957
William Shockley ,
John Bsrdeen &
Walter Brarttain
In Bell Laboratory they invented smaller
Transistors and It can carry about 200,000 -
250,000 calculations per second (second
generation computers)
1956

History of the computer in a table

  • 1.
    Name Inventory Year BabyloniansAbacus John Napier Napier Bones 1617 side ruler 1632 Blaise Pascal Adding Machine (Pascaline) 1642 Gottfried Wilhems Improved Pascal machine & It was called (Step Reckoner) 1674 Joseph Jacquard Mechanical Loom 1801 Charles Babage Difference Engine 1822 Charles Babage Analytical Engine 1833 Herman Hollerith Tabulating machine 1890 Howard Aiken Sequence Controlled Calaculator (Mark I) 1944 Professor John Vincent Atanasoff & Cliff Berry Antanasoff berry Computer Between 1937- 1942 Prof. John Vincent Atamasoff John Von Neumann A concept - to get different tasks performed by using its stored programs without effecting any physical changes to the computer 1942 Moor school of electrical Engineering of the university of Pennsylvania worlds 1st electronic digital computer ENIVAC (Electronical Numerical Integrator and Computer) this can carry abt 5,000 calculations per second & used about 18,000vacuum tubes 1946 Charles Babage"Father of Computer" Ada Augusta Lavelace"First Computer Programmer" Designed programms for the "Analitical Engine" Herman Hollerithwas one how established the IBM (International Business Machines) ABC computer (** not obtained the patent license)
  • 2.
    Remington Rand Institution UNIVAC-I (UniversalAutomatic Calculator -I) It can carry about 10,000 calculations per second 1950 IBM IBM704' It can carry about 100,000 calculations per second 1957 William Shockley , John Bsrdeen & Walter Brarttain In Bell Laboratory they invented smaller Transistors and It can carry about 200,000 - 250,000 calculations per second (second generation computers) 1956