The ZX Spectrum was an 8-bit (Z80A) personal home computer released in 1982 by Sinclair Research Ltd. Originally released in 16K and 48K versions, the Spectrum became massively popular in the UK, and ultimately evolved through a variety of later models including the Spectrum+ (which added a better keyboard), the Spectrum 128 (128K RAM), the +2 (integral tape drive), and +3 (integral 3 inch floppy drive). Notably, the latter two systems were released by Amstrad, after it acquired the Sinclair brand in 1986.
Sinclair, 1982

Donated/on loan from: School of Computing, Electronics and Mathematics, Plymouth University

Sinclair ZX Spectrum

Front view of the Sinclair ZX Spectrum

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Sinclair ZX81

Sinclair ZX81

The Sinclair ZX81 was released by Sinclair Research as the follow-up to the successful ZX80. It shared its predecessors characteristics of a Z80 CPU, membrane keyboard, 1K RAM, black and white display and lack of sound. The ROM, however, was doubled to 8K and the machine ran faster. Like the Z... (read more)
Sinclair, 1981

ZX Spectrum+ User Guide

ZX Spectrum+ User Guide

ZX Spectrum+ User Guide by Neil Ardley. 80 pages. (read more)
Sinclair, 1984

Sinclair ZX81 1K ZX Chess

Sinclair ZX81 1K ZX Chess

Audio Cassette (read more)
Sinclair,

Games for your ZX81

Games for your ZX81

Games for your ZX81 by Mark Charlton. 126 pages. (read more)
Sinclair, 1983

Mastering Machine Code on your ZX Spectrum

Mastering Machine Code on your ZX Spectrum

Mastering Machine Code on your ZX Spectrum by Toni Baker. 315 pages. (read more)
Sinclair, 1983

ZX81 Basic Programming

ZX81 Basic Programming

ZX81 Basic Programming by Steven Vickers. 212 pages. (read more)
Sinclair, 1980

Sinclair ZX Spectrum +2

Sinclair ZX Spectrum +2

Although it retained the Sinclair name, the Spectrum +2 was a product from the Amstrad stable, following their purchase of Sinclair in 1986. As such, it is no coincidence that the design bears more than a passing resemblance to Amstrad's own CPC 464 system. A later variant, the Spectrum +3, con... (read more)
Sinclair, 1986

Sinclair ZX Spectrum+

Sinclair ZX Spectrum+

An update to the Spectrum that essentially took the 48K model and added a QL-style keyboard, enabling the Spectrum to at least in part escape the criticism that was often leveled at the 'dead flesh' feel of the rubber-keyed version (although in actual fact the feel of the keyboard was still very ... (read more)
Sinclair, 1984

ZX Printer Instructions

ZX Printer Instructions

ZX Printer Instructions by Sinclair Research. 16 pages. (read more)
Sinclair, 1981

Sinclair ZX81 Software Compilation

Sinclair ZX81 Software Compilation

Sinclair ZX81 Software Compilation featuring:

Lunar Landing, Twenty One, Combat, Substrike, Code Breaker and Mayday.

For 16K RAM (read more)
Sinclair,

Sinclair QL

Sinclair QL

(read more)
Sinclair, 1984