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): even the simplest microprocessors contain an alu for purposes such as maintaining timers , while it is fundamentally a building block of the central processing unit -lrb- cpu -rrb-.