Expansion Cards
Expansion cards came into heavy use in the 1980's and provided microcomputers with the ability to be upgraded and expanded. Expansion cards could be obtained that consisted of additional memory, additional drives, modems, or other components. |
IBM PC Compatible Expansion Card (c1985)
Apple IIe 64K Memory Expansion Card
History of Computing
An Encyclopedia of the People and Machines that Made Computer History
Copyright © 1982-2000, Lexikon Services "History of Computing" ISBN 0-944601-78-2