Hands-On Edge Analytics with Azure IoT

Early computers

Operators of early digital computers accessed the computer through paper punch cards, paper tape readout, blinking lights, and teletype machines adapted for computer use. By the mid-1960s, CRT (known as cathode ray tube) displays were used as displays in place of paper, allowing for better flexibility. CRT displays were the technology of television sets at the time. By the mid-1970s, dumb terminals using CRT screens and typewriter keyboards were the standards in interacting with a computer.

In 1943, Thomas Watson, the president of IBM, famously predicted that there was a world market for a possible five computers. In hindsight, this prediction was incredibly wrong. Watson could not have possibly envisioned the technological ...