Abacus - The First man-made computing device.
- It can perform addition and subtraction
- invented in China
Pascal’s calculating machine/Pascaline - The first mechanical calculator - Invented by Blaise Pascal - Can perform addition & subtraction
Leibnitz calculator - First general-purpose calculating machine
- Extended version of Pascal Calculating machine
- Can perform multiplication and Division
- Invented by Gottfried Leibnitz
Automatic weaving loom/1805 - Invented by Joseph-Marie Jacquard
- This device use punched cards to control weaving patterns
- The program contains programs for looms task
Babbages Difference & Analytical Engine/1822 & 1835-1869 - Difference engine, can compute tables
- Analytical engine, first general purpose computer, which is completely automatic and capable of calculating any mathematical problems
- Invented by Charles Babbage
Punched card tabulators - The first use of punched cards to store data - Developed by Herman Hollerith
Mark 1 - First general-purpose electromechanical computer at Harvard University
- Developed by Howard Aiken, and known as MARK1 Digital computer
- Can perform four basic arithmetic operation and stored the information in tabular form.
ABC/1942 - Atanasoff-Berry-Computer
- The first special-purpose digital computer that solves simultaneous equation
- Develop by John Atanasoff
ENIAC/1946 - Electronic Numerical Integrator and Calculator. - The first fully electronic general-purpose digital computer. - Completed by John Eckert and John Mauchly.
BINAC/1949 - Binary Automatic Computer)
- The first electronics stored program computer in the United States
- Started operation
UNIVAC/1951 - Universal Automatic Computer
- The first electronic computer to be commercially available and first to store data on a magnetic tape.
- Was built Mauchly and Eckert
FORTRAN/1956 - Formula Translating