Question

Who had invented the magnetic card system for program storage?

• A. Pier Giorgio Perotto
• B. Stan Frankel
• C. John Mauchly
• D. Victor Glushkov

Answer 1

Answer:

A. Pier Giorgio Perotto

Pier Giorgio Perotto had first developed the magnetic card system for program storage. It is a type of card which can store data by modification of tiny iron-based magnetic particles on a band of magnetic material on a card.