In electronic design automation, even before the 1980s schematics were practically the sole formal representation for circuits. More recently, with the advancement of computer technology, other specimens have been introduced and technical computer languages have been developed, as using all the explosive development of the complexity of digital circuits, traditional schematics have become less practical. By way of example, hardware description languages are crucial for modern digital circuit design.
Schematics for digital circuits are ready by designers utilizing EDA (electronic design automation) tools called schematic capture tools or schematic entry applications. These programs go beyond easy drawing of devices and connections. Usually they're incorporated into the whole IC design flow and also connected to additional EDA tools for simulation and verification of the circuit under design.
Schematic diagrams are used extensively in repair guides to help users understand the interconnections of parts, and to supply graphical training to assist in rebuilding and simplifying mechanical assemblies. Many motorcycle and automotive repair manuals give a substantial number of pages into schematic diagrams.
A schematic, or schematic diagram, is a representation of those components of a system using abstract, picture symbols instead of realistic images. A schematic usually omits all details which are not pertinent to the information the schematic is intended to communicate, and may add unrealistic elements that aid comprehension. As an instance, a subway map meant for passengers can represent a subway station with a scatter; the scatter doesn't resemble the actual station whatsoever but gives the viewer information without unnecessary visual clutter. A schematic diagram of this compound process utilizes symbols to represent the valves, ducts, valvesand pumps, and other elements of the system, emphasizing their interconnection controlling and paths physical specifics. In an electronic circuit structure, the layout of the symbols may not resemble the layout from the circuit. From the design diagram, the emblematic components are arranged to be more easily interpreted by the viewer.
In electric power systems design, a schematic drawing called a one-line diagram is often utilized to symbolize substations, distribution methods or even entire electric power grids. All these diagrams simplify and compress the exact facts which would be repeated on each stage of a three-phase system, revealing just 1 component rather than three. Electrical diagrams for switchgear frequently have common apparatus functions designate by regular function amounts.
In electrical and electronic industry, a schematic diagram is frequently used to describe the plan of gear.  Initial schematics have been done by hand, using standardized templates or off-the-shelf glue symbols, however now electronic design automation applications (EDA or"electrical CAD") is often employed.
A semi-schematic diagram combines a number of these abstraction of a purely schematic diagram along with other elements exhibited as realistically as possible, for various reasons. It is a compromise involving a purely abstract diagram (e.g. the design of the Washington Metro) and an exclusively pragmatic representation (e.g. the corresponding aerial perspective of Washington).