PAN from spinning tape reels to an operator sitting at a console. Cut to MS of a print-out. HAMS of the operator pulling out a sheet and checking it. Side view of the same and of a second man joining the first as they walk out of the frame. Similar PAN from a spinning reel to an operator as he gets up and walks to another machine with a second man. Cut to CUs of a finger pressing a "Go" button, an "Auto-load" button. View through a glass partition of two men at work, one man at a punch card processing unit. HAS of the man at the unit. MCS of punch cards moving by the camera in the machine. View from a different angle of the two men. Cut to HAMCS of the map of a satellite orbit being plotted. HAMS of a console of a program address register, a man's hand punching buttons. ZOOM IN on a panel with flickering lights. CUs of a print-out with instructions re plotting of a satellite orbit in French and English. Side view, HA rear view, of a man working at an electronic typewriter. Cut to CU of his fingers on the keys. The man moves away from the typewriter and goes to an oscilloscope screen, puts out the light. Cut to luminous signals on a screen.