Calculator

The Sharp PC-1401 is a small pocket computer manufactured by Sharp. It was introduced in 1983 and is one of the first combinations of scientific calculator and portable computer with BASIC interpreter/bytecode compiler.

Spacial key for computer

The space-cadet keyboard is a keyboard used on MIT Lisp machines and designed by Tom Knight, which inspired several still-current jargon terms in the field of computer science and influenced the design of Emacs. It was inspired by the Knight keyboard (also developed by Tom Knight), which was developed for the Knight TV system, used with MIT's Incompatible Timesharing System.

Eary PC keyboad

Siclair

Commodor vic 20

Apple II

IBM XT

IBM AT

Lk201 DEC vt200 terminal

IBM Enhanced keyboard

Microsoft Natural Keyboard