Abstract: The superior speed capabilities of vacuum tubes have led to their use in computer designs to replace relays. Because of their small size, low power consumption, and long life expectancy, it ...

Block diagrams can be written ... Producing a schematic drawing on a computer is far neater than drawing it by hand, with computer programs available to quickly create accurate and neat schematics ...

Block diagrams close block diagramA diagram of a system represented by blocks connected by lines. are clear, simple diagrams showing all of the input, process and output elements that make up the ...