There are two major English language computerkeyboard layouts, the United States layout and the United Kingdom layout defined in BS 4822 (48-key version)
external keyboard models for use with families of Apple computers, such as the Apple II, Mac, and iPad. The Magic Keyboard and Magic Keyboard with Numeric
SuperI/O (sometimes Multi-IO) is a class of I/O controller integrated circuits that began to be used on personal computer motherboards in the late 1980s
terms[citation needed] in the field of computer science and influenced the design of Emacs. It was inspired by the Knight keyboard, which was developed for the