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.
The green snake is wonderful climbers and generally, these snakes (in real life of course) are completely harmless. This is important when interpreting your dream. Before I move onto the details of the dream, we need to understand that these types of snakes generally feed on insects.