The ENIAC wasn't a stored-program computer. Instead, it was more like a collection of electronic adding machines controlled by a web of electrical cables. It had to be programmed by plugboard wiring and three “portable function tables” for entering tables of numbers.

Is the ENIAC programmable?

ENIAC, in full Electronic Numerical Integrator and Computer, the first programmable general-purpose electronic digital computer, built during World War II by the United States.

Who coded ENIAC?

ENIAC's six primary programmers, Kay McNulty, Betty Jennings, Betty Snyder, Marlyn Wescoff, Fran Bilas and Ruth Lichterman, not only determined how to input ENIAC programs, but also developed an understanding of ENIAC's inner workings.