Task: Text Simplification
Input (English): the alu is a fundamental building block of the central processing unit -lrb- cpu -rrb- of a computer , and even the simplest microprocessors contain one for purposes such as maintaining timers.
Output (English): the arithmatic logic unit is a basic building block of the central processing unit of a computer , and even the most simple microprocessors have one for uses such as maintaining timers.