Once you have enough transistors on a board, though, one of the first layers of abstraction that arises is the Arithmetic Logic Unit ... One of the commonly used components for this purpose ...

There are different types of memory – volatile and non-volatile. The Arithmetic and Logic Unit (ALU) is where the CPU performs the arithmetic and logic operations. Data is passed to the ALU to ...

It comprises an arithmetic-logic unit to carry out calculations ... To be distinguished from the physical or hardware components of a computer, programs are collectively referred to as software.