What Does PCM Stand For?

PCM stands for Punch Card Machine

PCM, or Punch Card Machine, refers to a device that automates the process of creating and reading punch cards, which are used for data entry and storage. Historically significant in computing and accounting, punch card machines enable efficient and accurate record-keeping by translating physical punches on cards into machine-readable data. These machines played a crucial role in early computing systems and are now often used in niche applications for tasks such as attendance tracking and data collection.

Other Meanings for PCM