Tutorial By Namitha

               In the microprogrammed control units all the control signals associated with microoperations are stored in special memory called control memory .           Set of control signals that cause microoperations to occur is called microinstructions .           Micro-programmed control unit can be classified into two types based on the type of Control Word(microinstructions) stored in the Control Memory .  Horizontal micro-programmed control unit   Vertical micro-programmed control unit In  Horizontal micro-programmed  control unit, the control signals are represented in the decoded binary format .                     ‘n ’ control signals require n bit encoding i.e., 1 bit/CS .  In  Vertical micro-programmed   control unit, the control signals are repres...