Development of Computer
1. Marc-I
2. ABC
3. ENIAC
4. EDVAC
5. UNIVAC
6. Microprocessor
7. Apple - II
1. Marc - I :- Between 1937 and 1944, in collaboration with a company called IBM (International Business Machine) and under the direction of scientist Howard Aiken, invented the world's first fully automatic electro-mechanical calculation machine. It was named Marc-I.
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| Marc-I |
2. ABC (Atanasoff Berry Computer) : - In 1939, scientists named John Atanasoff and Clifford Berry together invented the world's first "Electronic Digital Computer". In his name and it was named "ABC".  |
| Atanasoff-Berry Computer |
3. ENIAC (Electronic Numerical Integrator and Calculator) : - in 1946, American scientists JP Eckert and John Mauchly invented the first fully electronic computer for common tasks, which was named ENIAC.  |
| ENIAC |
4. EDVAC (Electronic Discrete Variable Automatic Computer) : - Changing the program was difficult in Aniak computer. To deal with this, Van Neumann gave the concept of Stored Program and developed idvac.  |
| EDVAC |
5. UNIVAC (Universal Automatic Computer) : - This was the first computer which was used for business and other general work. The first commercial computer UNIVAC-I was built in 1954 by GEC (General Electric Corporation).  |
| UNIVAC |
6. Microprocessor :- In 1970 the creation of the first microprocessor "Intel-4004" by Intel company revolutionized the field of computer. This made it possible to build smaller sized computers. Which is called micro computer. Intel and AMD are currently the brands producing microprocessors.  |
| Microprocessor |
7. Apple - II : - in 1977, the first commercial micro computer was manufactured by the Apple company, which was named Apple-II.
