Its been long way computers had been evolved, today we take computers for granted in every part of our life, the computer no matter which form either personal, mobile or car had become inseparable, but looking back in history the early engineers or can call then computer scientist had faced tremendous challenges at every steps.
University of Warwick had develop a EDSAC Simulator, EDSAC was the world’s first stored-program computer build by Cambridge University as to operate computing services. The simulator is available here if you are interested.
In the above video Professor David Brailsford from University of Nottingham explains how to use the EDSAC Simulator and remembers the challenges faced by actual EDSAC, courtesy YouTube channel Computerphile.
Take a pause and appreciate those early computer scientist.