Question

how was the first automatic calculator MARK 1 controlled​

Answer 1

$\huge\mathfrak\red{Simrat}$

The IBM Automatic Sequence Controlled Calculator (ASCC), called Mark I by Harvard University's staff, was a general purpose electromechanical computer that was used in the war effort during the last part of World War II. One of the first programs to run on the Mark I was initiated on 29 March 1944 by John von Neumann.

Answer 2

The Automatic Sequence Controlled Calculator (Harvard Mark I) was the first operating machine that could execute long computations automatically. A project conceived by Harvard University's Dr. Howard Aiken, the Mark I was built by IBM engineers in Endicott, N.Y.