The correct answer is A. Printers.
Dot-matrix, Deskjet, Inkjet and Laser are all types of printers. Printers are computer peripherals that produce a hard copy of text or images on paper. They are used to print documents, photos, and other materials.
Software is a general term for the various kinds of programs used to operate computers and related devices. Software can be thought of as the “logic” that drives a computer, in contrast to the “hardware” that physically makes up the device.
Monitors are devices that display information from a computer. They are typically used to display text, images, and videos.
Keyboards are input devices that allow users to enter text into a computer. They are typically made up of a set of keys that correspond to letters, numbers, and symbols.