There are many peripheral devices but heres 4 external output ones: monitor, speakers, plotter, and printer. Here are also 4 peripheral input devices: mouse, keyboard, mousepad, and joystick.
Answer
page numbering
Explanation
Page numbering is where the writer employs a process of applying sequence of numbers to pages of a certain document may it be a book, a magazine, a news paper or any other document having pages.The reference marker that a source might use a page numbering to be able to reference details that are referenced in other details. By this it reduces complication
UTF-16 does this. One of the Chinese dialects has 28,000+ characters.