The microprocessor 8085 is an 8-bit microprocessor developed by Intel in the mid-1970s. It has a 16-bit address bus, allowing it to address up to 64KB of memory, and operates at a clock speed of up to 3 MHz. The 8085 is notable for its simplicity and ease of use, making it popular for educational purposes and in embedded systems. It includes a set of registers, an arithmetic logic unit (ALU), and supports various instructions for data manipulation and control operations.