<P> The control unit ( CU ) is a component of a computer 's central processing unit ( CPU ) that directs the operation of the processor . It tells the computer 's memory , arithmetic / logic unit and input and output devices how to respond to a program 's instructions . </P>
<P> The control unit ( CU ) is a component of a computer 's central processing unit ( CPU ) that directs the operation of the processor . It tells the computer 's memory , arithmetic / logic unit and input and output devices how to respond to a program 's instructions . </P>
where do the control units instructions come from
where do the control units instructions come from
a program
a program