A word processor (WP) is a device or computer program that provides for input, editing, formatting, and output of text, often with some additional features.
World-first Japanese word processor Toshiba JW-10 (Launched in February 1979, Toshiba Science Institute)
Toshiba Rupo JW-P22(K)(March 1986) and an optional micro floppy disk drive unit JW-F201
Sharp Shoin WD-J150
A text editor is a type of computer program that edits plain text. Such programs are sometimes known as "notepad" software. Text editors are provided with operating systems and software development packages, and can be used to change files such as configuration files, documentation files and programming language source code.
A box of punched cards with several program decks.