---
title: "ZX81 Utility"
type: "article"
slug: "zx81-utility"
url: "http://localhost/article/zx81-utility/"
markdown_url: "http://localhost/article/zx81-utility.md"
published_at: "2020-10-27T17:08:15+00:00"
modified_at: "2024-06-23T01:10:12+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Product announcement for Cassette I/O from Cosmonics."
category:
  - name: "Popular Electronics"
    slug: "popular-electronics"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/popular-electronics/"
post_tag:
  - name: "1982"
    slug: "year-1982"
    taxonomy: "post_tag"
    url: "http://localhost/tag/year-1982/"
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
  - name: "ZX81"
    slug: "zx81"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx81/"
model:
  - name: "Sinclair ZX81"
    slug: "zx81"
    taxonomy: "model"
    url: "http://localhost/model/zx81/"
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
indiv:
  - name: "Les Solomon"
    slug: "les-solomon"
    taxonomy: "indiv"
    url: "http://localhost/indiv/les-solomon/"
publication: "Popular Electronics"
publication_r:
  id: 10126
  title: "Popular Electronics"
  type: "periodical"
  url: "http://localhost/periodical/popular-electronics/"
authors: "Les Solomon"
volume: "20"
issue: "8"
pages: "75"
pubdate: "August 1982"
archive_link: false
archiveurl: "http://www.americanradiohistory.com/Archive-Poptronics/80s/1982/Poptronics-1982-08.pdf"
volumeissue: "v20n8"
---

# ZX81 Utility

Product announcement for Cassette I/O from Cosmonics.