Business-to-business is a situation where one business makes a commercial transaction with another. This typically occurs when: A business is sourcing materials for their production process for output. Example: Providing raw material to the other company that will produce output.
A computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. Modern computers have the ability to follow generalized sets of operations, called programs. These programs enable computers to perform an extremely wide range of tasks.