first-generation computer

C31146
concept

A first-generation computer is an early electronic computing device (circa 1940s–1950s) that used vacuum tubes, magnetic drums, and machine or assembly language to perform basic calculations and data processing.

All labels observed (4)

Label Occurrences
vacuum-tube computer 4
early electronic computer 2
vacuum tube computer 2

Description generation (CDg)

The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.

Instruction
generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: first-generation computer
Generated description
A first-generation computer is an early electronic computing device (circa 1940s–1950s) that used vacuum tubes, magnetic drums, and machine or assembly language to perform basic calculations and data processing.

Instances (9)

Instance Via concept surface
Z25 computer vacuum tube computer
UNIVAC I
JOHNNIAC vacuum-tube computer
AVIDAC vacuum tube computer
UNIVAC Scientific (UNIVAC 1103) vacuum-tube computer
ORDVAC early electronic computer
ICT 1500 series early electronic computer
IBM 704 vacuum-tube computer
Johnniac computer vacuum-tube computer