Products introduced in 1981

MS-DOS ( ; acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its alternate branding as IBM PC DOS, and a few operating systems attempting to be compatible with MS-DOS, are sometimes referred to as "DOS" (which is also the generic acronym for disk operating system). MS-DOS was the main operating system for IBM PC compatibles during the 1980s, from which point it was gradually superseded by operating systems offering a graphical user interface (GUI), in variou

personal computer model released in 1981

mobile telephone system

second-generation home video game console released by Epoch Co. in 1981

Workstation

The McRib is a minced pork sandwich with barbecue sauce sold by the fast food restaurant chain McDonald's, introduced in 1981. It consists of a restructured boneless pork patty shaped like a miniature rack of ribs, barbecue sauce, onions, and pickles, served as a sandwich on a roll.

digital camera product line

handheld game system

home video game console

lotte brand of mochi ice cream

pocket computer by Casio

Wispa is a brand of chocolate bar manufactured by the British chocolate company Cadbury. First launched in 1981, the bar uses aerated chocolate and was seen as a competitor to Rowntree's Aero (now owned by Nestlé). The Wispa brand was discontinued in 2003 and replaced by a different "Dairy Milk Bubbly", but the original Wispa returned as a limited product in 2007, helped by an internet campaign by enthusiasts, then permanently returned to shops in Britain and Ireland in 2008 due to popularity.

educational handheld game console

edible spread marketed as a substitute for butter