Video: Arithmetic Logic Unit (ALU): Definition, Design & Function. An arithmetic logic unit (ALU) represents the fundamental building block of the central processing unit of a computer. An ALU is a digital circuit used to perform arithmetic and logic operations.
Snake Crawls up a Wall. 02.10.2008 - Many people ask me about the climbing capability of snakes. In particular, people want to know if snakes can get up into their attic. The answer is that yes, some species of snake are excellent climbers, and can climb walls.
HOW TO BUILD A SNAKE-PROOF FENCE. Snakes cause no property damage to the home, but seeing a snake or its shed (skin) may frighten some people. As a general rule snakes are just as frightened of you as possibly you are of them and often they move as quickly as possible in the other direction.