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Definition of "Command Line" |
An interface for typing commands directly to a computer's operating system. / Transmitting tubes were among the most powerful tubes available. These usually had directly heated thoriated filaments cathodes that glowed like light bulbs. Some tubes were capable of being driven so hard that the anode would itself glow cherry red the anodes were machined from solid material rather than fabricated from thin sheet to withstand heat without distorting. Notable tubes of this type are the 845 and 211. Later tetrodes and pentodes such as 817 and direct heated 813 were also used in large numbers in especially military radio transmitters. |
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