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Sphere 1

The Sphere 1 was a personal computer completed in 1975 by Michael Donald Wise and Monroe Tyler of Sphere Corporation, of Bountiful, Utah. The Sphere 1 featured a Motorola 6800 CPU, onboard ROM, a full-sized CRT monitor, 4 KB of RAM, and a keyboard with a numeric keypad.

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Explore the main themes, entities and connections around Sphere 1. Start with the topic map, then use the sections below for research and deeper semantic analysis.

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Key facts & relationships

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CPU
Motorola 6800
Developer
Michael Donald Wise
Discontinued
1977
Display
16 lines x 32 characters, CRT monitor
Input
keyboard with a numeric keypad
Introductory price
US$860 (Kit:Sphere 1)

Topics to explore

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Overview

Advanced semantic analysis

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Map overview Semantic statistics

Sphere 1

Nodes15
Edges14
Triples22
Avg. degree1.87
Density0.133333
Components1

How this topic connects Entity context

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Sphere 1

Top relations

related to External links · 11
Sphere 1 → Ben Zotto, Buy First, Computer, Newsletters, PC, PDF's, Schematics, Sphere, True, User, Vintage Computer
CPU · 1
Sphere 1 → Motorola 6800
Developer · 1
Sphere 1 → Michael Donald Wise
Discontinued · 1
Sphere 1 → 1977
Display · 1
Sphere 1 → 16 lines x 32 characters, CRT monitor
Input · 1
Sphere 1 → keyboard with a numeric keypad
Introductory price · 1
Sphere 1 → US$860 (Kit:Sphere 1)
Manufacturer · 1
Sphere 1 → Sphere Corporation
Memory · 1
Sphere 1 → 4 KB of RAM (Expandable to 64 KB), 1 KB PROM
Operating system · 1
Sphere 1 → "PDS" 1 KB Basic

Important terminology Word statistics

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Important terminology

sphere keyboard computer cpu included michael wise monitor first 1975 ram full-sized among microcomputers lacked reset sent external donald corporation

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Sphere 1CPUMotorola 68001.00infobox
Sphere 1DeveloperMichael Donald Wise1.00infobox
Sphere 1Discontinued19771.00infobox
Sphere 1Display16 lines x 32 characters, CRT monitor1.00infobox
Sphere 1Inputkeyboard with a numeric keypad1.00infobox
Sphere 1Introductory priceUS$860 (Kit:Sphere 1)1.00infobox
Sphere 1ManufacturerSphere Corporation1.00infobox
Sphere 1Memory4 KB of RAM (Expandable to 64 KB), 1 KB PROM1.00infobox
Sphere 1Operating system"PDS" 1 KB Basic1.00infobox
Sphere 1Released1975 (1975)1.00infobox
Sphere 1Units sold1,300[citation needed]1.00infobox
Sphere 1related to External linksSphere0.60section

Related concept clusters Concept neighborhoods

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    Min side: 3
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