Cuthbert in the Mines is a 1984 computer game for the Dragon 32 home computer.
 Written by Microdeal, the game features the hero Cuthbert, a character who also appeared in "Cuthbert Goes Walkabout" and "Cuthbert Goes Digging".
 It was also licensed to run on Tandy's CoCo.
The TK95 microcomputer was the evolution of the TK90X made in the second half of the 1980s by Microdigital Eletronica, a company located at São Paulo, Brazil that manufactured some ZX81 clones before (TK82, TK82C, TK83 and TK85) and a ZX80 clone (TK80).
 The first version was launched in November 1986.
The MicroDigital Omega was a home computer developed and sold in the early 2000s by MicroDigital.
 It runs the RISC OS operating system.
Hareraiser is a computer game, originally released in 1984 in the UK for most home computer platforms.
 It was released in two parts; "Prelude" and "Finale".
 A prize worth £30,000 was on offer if the game could be solved.
 The game was released on Acorn Electron, Amstrad CPC, BBC Micro Model B, Commodore 64, Commodore VIC-20 EX, Dragon 32, MSX, Oric Atmos 48k and Sinclair ZX Spectrum in 1984 at £8.95 for each part.
The King is a computer game for the Dragon 32 home computer, written by Tom Mix software and published in the United Kingdom by Microdeal in 1983.
 In terms of gameplay it is an accurate clone of the arcade game "Donkey Kong", and was originally named "Donkey King" before being renamed; gameplay remained unaltered.
Microdigital Eletrônica Ltda.
 was an influential Brazilian computer company in the 1980s, based in São Paulo.
Dragon Data was a Welsh producer of home computers during the early 1980s.
 These computers, the Dragon 32 and Dragon 64, strongly resembled the Tandy TRS-80 Color Computer ("CoCo")—both followed a standard Motorola datasheet configuration for the three key components (CPU, SAM and VDG).
 The machines came in both 32KB and (later) 64KB versions.
Cuthbert Goes Digging is a 1983 computer game for the Dragon 32 home computer.
 Written by Steve Bak at Microdeal, the game features the hero Cuthbert, who also appears in "Cuthbert Goes Walkabout" and "Cuthbert in the Mines".
 In the game, the player guides Cuthbert through levels of girders, avoiding 'moronians' fatal to the touch.
The Dragon 32 and Dragon 64 are home computers that were built in the 1980s.
 The Dragons are very similar to the TRS-80 Color Computer, and were produced for the European market by Dragon Data, Ltd., in Port Talbot, Wales, and for the US market by Tano of New Orleans, Louisiana.
 The model numbers reflect the primary difference between the two machines, which have 32 and 64 kilobytes of RAM, respectively.
The TK85 was a ZX81 clone made by Microdigital Eletronica, a computer company located in Brazil.
 It came with 16 or 48 kB RAM, and had a ZX Spectrum–style case, more precisely a "Timex Sinclair 1500" clone.

Question: Which is a home computer system, Dragon 32/64 or Microdigital Eletronica?
Answer: The Dragon 32 and Dragon 64 are home computers