The IBM 701, known as the Defense Calculator while in development, was announced to the public on April 29, 1952, and was IBM's first commercial scientific computer..
In 1957, IBM released the first commercial all-transistor calculator named IBM 608.
Ibm stands for
arjun sachdeva and atharva puranik invented ibm
The IBM Automatic Sequence Controlled Calculator (ASCC), called the Mark I by Harvard University, was an electro-mechanical computer. The electromechanical ASCC was devised by Howard H. Aiken, built at IBM and shipped to Harvard in February 1944.
James Gimzewski at the IBM laboratory in Zurich, Switzerland made the world's smallest calculator.
IBM
no IBM didn't invented compact disc
it was IBM
1931
IBM did
Mark E Dean