> 6.8.5 ... There should be some means by which the computer can signal to the operator when a computation has been concluded. Hence an order is needed ... to flash a light or ring a bell.
(later operators would discover than an AM radio placed near their CPU would also provide audible indication of process status)
> 6.8.5 ... There should be some means by which the computer can signal to the operator when a computation has been concluded. Hence an order is needed ... to flash a light or ring a bell.
(later operators would discover than an AM radio placed near their CPU would also provide audible indication of process status)