COSMAC ELF

COSMAC Elf
COSMAC Elf with Pixie Graphics Display
ManufacturerRCA
Release date1976 (1976)
CPURCA 1802
Memory256 bytes of RAM; expandable
GraphicsRCA CDP1861
SoundBeeper
PredecessorFRED / System 00
SuccessorCOSMAC VIP

The COSMAC Elf was an RCA 1802 microprocessor-based computer described in a series of construction articles in Popular Electronics magazine in 1976 and 1977. Through the back pages of electronics magazines, both Netronics and Quest Electronics offered low-priced, enhanced kits that were based on this design. The system was a very early single-board personal computer. It was operated without built-in ROMs and programs were entered directly with help of the CPU integrated DMA using 8 toggle switches and an Input push button. An updated version was later sold in kit form, the COSMAC VIP.

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