... in the telephone line and circuitry, each letter can be checked by the useof a further bit (the parity bit), which adds up all the bits in the main character and then, depending on whether the ... using, in the first instance, wires and networks already installed—in the form of the telephone and telex networks you must accept that the limited bandwidth of thesefacilities will restrict the rate ... requestfor the third floor resulted in the occupants being whizzed to the twenty-third.Towards the end of the 60s, when the first experimental networks arrived on the scene (particularly when the legendaryARPAnet—Advanced...