The correct answer is: B. Parallel interface
A parallel interface is an electrical interconnection that permits 8 or more bits of data to be moved in the same instant of time. This is in contrast to a serial interface, which only allows one bit of data to be transferred at a time. Parallel interfaces are typically used for high-speed data transfer, such as between a computer and a printer.
Outline processor is a software application that helps users create and organize outlines. It can be used to create outlines for documents, presentations, or other types of projects.
Page layout program is a software application that helps users create and design pages for documents, such as books, magazines, or newspapers. It can be used to add text, images, and other elements to pages, and to control the layout of these elements.
Facsimile system is a device that allows users to send and receive copies of documents over a telephone line. It is also known as a fax machine.
None of the above options are electrical interconnections that permit 8 or more bits of data to be moved in the same instant of time.