IBM CPC

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Image:IBM logo.svg The IBM Card-Programmed Electronic Calculator or CPC was announced by IBM in May 1949. Later that year an improved machine, the CPC-II was also announced.

The original CPC Calculator had the following machines interconnected by cables:

• Electronic Calculating Punch
  • IBM 604 with reader/punch unit IBM 521
• Accounting Machine
  • IBM 402 or
  • IBM 417

The CPC-II Calculator had the following machines interconnected by cables:

• Electronic Calculating Punch
  • IBM 605 with punch unit IBM 527
• Accounting Machine
  • IBM 407 or
  • IBM 412 or
  • IBM 418
• Optional Auxiliary Storage Unit
  • IBM 941

External links

• The IBM Card Programmed Calculator at Columbia
• Card-Programmed Electronic Calculator (CPC)
• Documentation on CPC