What Does PCM Stand For?
PCM stands for Punched Card Machine
PCM, or Punched Card Machine, refers to a device used for reading, processing, and storing data represented on punched cards. These machines were pivotal in the early days of computing, enabling automated data entry and retrieval, and facilitating data processing in various applications. The PCM typically employs mechanical or electronic means to interpret the patterns of holes in the cards, translating them into actionable information for computing tasks.
Added on 14th April 2008 | Last edited on 17th June 2025 | Edit Acronym