Question: how is Research Machines 380Z and Amstrad PCW connected?

Context paragraphs:
Hollywood Hijinx: Hollywood Hijinx is an interactive fiction computer game written by Dave Anderson and Liz Cyr-Jones and published by Infocom in 1986.  The game was released for the Apple II, Atari 8-bit family, Amstrad CPC, Amstrad PCW, Commodore 64, Amiga, Atari ST, TI-99/4A and MS-DOS.  It was Infocom's twenty-third game.

Amstrad PCW: The Amstrad PCW series is a range of personal computers produced by British company Amstrad from 1985 to 1998, and also sold under licence in Europe as the "Joyce" by the German electronics company Schneider in the early years of the series' life.  The PCW, short for "Personal Computer Word-processor", was targeted at the wordprocessing and home office markets.  When it was launched the cost of a PCW system was under 25% of the cost of almost all IBM-compatible PC systems in the UK, and as a result the machine was very popular both in the UK and in Europe, persuading many technophobes to venture into using computers.  However the last two models, introduced in the mid-1990s, were commercial failures, being squeezed out of the market by the falling prices, greater capabilities and wider range of software for IBM-compatible PCs.

Mindfighter: Mindfighter is a text adventure game published by Activision in 1988 for the Commodore Amiga, Commodore 64, Amstrad CPC, Amstrad PCW, Atari ST, MS-DOS and the Sinclair Spectrum computers.

Spy Snatcher: Spy Snatcher is a floppy disk-based text adventure released by Topologika Software in 1991 .  It was the last professional text adventure to be released on the BBC Micro and Acorn Electron.  It was also released for ZX Spectrum (+3 disk only), RISC OS, PC, Amstrad CPC, Amstrad PCW, Atari ST and Nimbus.

8000 Plus: 8000 Plus (renamed "PCW Plus" early in 1992) was a monthly British magazine dedicated to the Amstrad PCW range of microcomputers.  It was one of the earliest magazines from Future plc, and ran for just over ten years, the first issue being dated October 1986 and the last (as "PCW Plus") being issue 124, dated Christmas 1996.

Amstrad CP/M Plus character set: The Amstrad CP/M Plus character set (alternatively known as PCW character set or ZX Spectrum +3 character set) refers to a group of 8-bit character sets introduced by Amstrad/Locomotive Software for use in conjunction with their adaptation of Digital Research's CP/M Plus on various Amstrad CPC / Schneider CPC and Amstrad PCW / Schneider Joyce machines.  The character set was also utilized on the Amstrad ZX Spectrum +3 since 1987.

Research Machines 380Z: The Research Machines 380Z (often called the RML 380Z or RM 380Z) was an early 8-bit microcomputer produced by Research Machines in Oxford, England, from 1977 to 1985.

LocoScript: The word processing software package LocoScript by Locomotive Software was introduced as one of the programs bundled with the Amstrad PCW, a personal computer launched in 1985.  Early versions of LocoScript were noted for combining a wide range of facilities with outstanding ease of use.  This and the low price of the hardware made it one of the best-selling word processors of the late 1980s.  Four versions of LocoScript were published for the PCW, and two for IBM-compatible PCs running under MS-DOS.  LocoScript's market share didn't expand with the PC versions, which were not released until after Windows became the dominant PC operating system.

Aventuras AD: Aventuras AD was a videogame Spanish producer, one of the most popular in Spain during the Golden Era of Spanish Software in the 1980s, specialized in text adventure games.  It was created as a seal split from Dinamic Software in 1987 ("AD" comes from "Aventuras Dinamic", the name they had when they were part from Dinamic from 1985 to 1987).  They popularized the genre of "aventura conversacional" (a Spanish word for text adventures that have static graphics, which in English is part of the primitive graphic adventures), and they would release games until 1992, when they, like the rest of the Spanish companies of the time, had to close on bankruptcy, unable to switch in time to 16 bit development.  They would release their titles mainly for ZX Spectrum, Amstrad CPC, Commodore 64, MSX, IBM PC, Amstrad PCW, and in the last years also Atari ST and Commodore Amiga.

The Radio Hacker's Codebook: The Radio Hacker's Codebook is a book for computer enthusiasts written by George Sassoon.  The book explains how to receive international radioteletype signals, convert them with a circuit and then decode them on a microcomputer.  In the case of this book the computer is the superseded Research Machines 380Z.  Programs to do these functions are given, written in machine code and BASIC.  However legal and moral issues relating to intercepting messages are not included.  Other radioteletype subject included are the FEC and automatic repeat request used in maritime radiocommunications.

Supporting paragraphs: Research Machines 380Z Amstrad PCW
Answer: computer