The Punched Card: An In-Depth Guide to Computer Card Punch Machines The punched card, often referred to as a punch card, has played a crucial role in the evolution of data processing and computing technology. Originating in the late 19th century, these simple pieces of paper revolutionized the way data was stored, processed, and utilized, […]
sourcing from China
©2023. sourcifychina.com All Rights Reserved.