A CPU cache is a hardware cache used by the central processing unit (CPU) of a computer to reduce the average cost (time or energy) to access data from the main memory. A cache is a smaller, faster memory, closer to a processor core, which stores copies of the data from frequently used main memory locations.
It takes approximately 31 empty aluminum cans to equal 1 pound. As of 2014, the average weight of an empty aluminum can is 14.9 grams.
1 The aluminum beverage can is made of two pieces-the can body and the can end (lid). 2  Approximately 33 cans can be produced from a pound of aluminum. 3  The coils of aluminum used typically weigh about 25,000 pounds. 4  The coils when rolled out can be 20,000 to 30,000 feet long and 5 to 6 feet wide.