The correct answer is: B. Printer
A dot-matrix printer is a type of impact printer that prints characters and images by striking a series of pins against an ink ribbon that contacts the paper. Dot-matrix printers are typically used for printing text documents, but they can also be used to print graphics and images.
A tape is a long, narrow strip of material that is used to store data or information. Tapes are typically made of plastic or metal, and they can be coated with a magnetic or optical material. Tapes are used in a variety of devices, including tape recorders, VCRs, and computers.
A disk is a round, flat piece of material that is used to store data or information. Disks are typically made of metal or plastic, and they can be coated with a magnetic or optical material. Disks are used in a variety of devices, including floppy disks, hard drives, and optical disks.
A bus is a system that allows multiple devices to communicate with each other. Buses are typically made of wires or cables, and they can be used to transmit data, power, or signals. Buses are used in a variety of devices, including computers, cars, and airplanes.
None of the above is a type of dot-matrix.