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The TI-99/4 and TI-99/4A are home computers released by Texas Instruments (TI) in 1979 and 1981, respectively. Based on TI's own TMS9900 microprocessor originally used in minicomputers, the TI-99/4 was the first 16-bit home computer. The associated TMS9918 video display controller provides color graphics and sprite support which were only comparable with…
The analysis highlights History, Legacy and Companies as prominent areas in the source structure around TI-99/4A.
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
The extracted context around TI-99/4A shows recurring relationship patterns in the source. For example, TI-99/4A → Ahl, Atari CX40, August, Because, BYTE, Citing Money, Commodore, Drop, Green's, He, Instant Software, It, Jack Tramiel, Kilobaud Microcomputing Wayne Green, Microsoft BASIC, Peripherals, Pournelle, Spectravideo, Spinnaker Software, Texas Instruments Another extracted example is TI-99/4A → Adventure Command Module, Alpiner, Arcturus, Car Wars, Century, Doom, Espial, Exceltec, Head On, KB, Killer Caterpillar, Miner, Munch Man, Pac-Man, Parsec, Roughly, Some, Space Invaders, Texas Instruments, The Adventure International. Use these groups to spot repeated connection types before inspecting the individual relationships.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
ti 4a ti-99 99 computer system price software released 16-bit computers 1983 ti's memory expansion cpu company rom ram kb
TTTA extracted 159 structured relationships around TI-99/4A. Examples in this analysis include TI-99/4A → CPU → TMS9900 @ 3 MHz and TI-99/4A → Developer → Texas Instruments. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| TI-99/4A | CPU | TMS9900 @ 3 MHz | 1.00 | infobox |
| TI-99/4A | Developer | Texas Instruments | 1.00 | infobox |
| TI-99/4A | Discontinued | June 1981 | 1.00 | infobox |
| TI-99/4A | Graphics | TMS9918 | 1.00 | infobox |
| TI-99/4A | Introductory price | US$1,150 (equivalent to $5,100 in 2025) | 1.00 | infobox |
| TI-99/4A | Manufacturer | Texas Instruments | 1.00 | infobox |
| TI-99/4A | Released | October 1979 (1979-10) | 1.00 | infobox |
| TI-99/4A | Successor | TI-99/4A | 1.00 | infobox |
| TI-99/4A | Type | Home computer | 1.00 | infobox |
| TI-99/4A | Units shipped | ≈20,000 | 1.00 | infobox |
| TI-99/4A | is a | self-contained console with the motherboard | 0.90 | text |
| Atarisoft.Both TI-99/4 models use the 16-bit TMS9900 CPU running at 3 MHz | instance of | prevent the use of unlicensed ROM cartridges from third-party manufacturers | 0.80 | text |
The concept neighborhoods around TI-99/4A bring nearby vocabulary together. In this analysis, examples include Ti-99, Ti and Texas. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For TI-99/4A, one of the stronger structural bridges in this analysis connects TI-99/4A with History. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around TI-99/4A to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Legacy & Companies, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — TI-99/4A · EN edition · Analysis: TopicsToTalkAbout