- Phinney Ridge is a neighborhood in north central Seattle, Washington, United States. It is named after the ridge which runs north and south, separating Ballard from Green Lake, from approximately N. 45th to N. 80th Street. The ridge, in turn, is named after Guy C. Phinney, lumber mill owner and real estate developer, whose estate was bought by the city and turned into Woodland Park in 1899. Phinney’s estate had included a private menagerie, and the western half of the park became what is now the Woodland Park Zoo.
- Reverse-engineering the surprisingly advanced ALU of the 8008 microprocessor (righto.com)
A computer’s arithmetic-logic unit (ALU) is the heart of the processor, performing arithmetic and logic operations on data. If you’ve studied digital logic, you’ve probably learned how to combine simple binary adder circuits to build an ALU. However, the 8008’s ALU uses clever logic circuits that can perform multiple operations efficiently. And unlike most 1970’s microprocessors, the 8008 uses a complex carry-lookahead circuit to increase its performance.