(transport) or omnibus Vehicle that carries fare-paying passengers on a fixed route, with frequent stops where passengers can get on and off.
An omnibus appeared briefly on the streets of Paris in the 1660s, when the mathematician Blaise Pascal introduced the first horse-drawn vehicles for public use. But a successful service, again in Paris, was not established until 1827. Two years later George Shillibeer introduced a horse-drawn bus in London.
Gasoline-engine buses came into general use by the 1910s and provide intracity and nationwide service through both public and private companies.
A set of hardware lines (conductors) used for data transfer among the components of a computer system. A bus is essentially a shared highway that connects different parts of the system—including the processor, disk-drive controller, memory, and input/output ports—and enables them to transfer information. The bus consists of specialized groups of lines that carry different types of information. One group of lines carries data; another carries memory addresses (locations) where data items are to be found; yet another carries control signals. Buses are characterized by the number of bits they can transfer at a single time, equivalent to the number of wires within the bus. A computer with a 32-bit address bus and a 16-bit data bus, for example, can transfer 16 bits of data at a time from any of 232 memory locations. Most PCs contain one or more expansion slots into which additional boards can be plugged to connect them to the bus.
In computing, the electrical pathway through which a computer processor communicates with some of its parts and/or peripherals. Physically, a bus is a set of parallel tracks that can carry digital signals; it may take the form of copper tracks laid down on the computer's printed circuit boards (PCBs), or of an external cable or connection.
A computer typically has three internal buses laid down on its main circuit board: a data bus, which carries data between the components of the computer; an address bus, which selects the route to be followed by any particular data item traveling along the data bus; and a control bus, which is used to decide whether data is written to or read from the data bus. An external expansion bus is used for linking the computer processor to peripheral devices, such as modems and printers.
1. To ride in a bus.
2. To send or move around by bus.
3. To remove used dishes from the table, in restaurants.