Programmed Data Processor-1

The PDP-1 is a 18-bit general-purpose digital computer designed for high-speed operation, featuring 100,000 additions per second and five-microsecond cycle time. The document outlines its technical specifications, including its solid-state logic, flexible input-output capabilities, and optional peripherals such as CRT displays, light pens, and various storage units. It also details the DECAL compiler and assembler program for software development, along with a comprehensive instruction set for programming the machine.