Single Accumulator based CPU organization With Diagram

In this type of CPU organization, the accumulator register is used implicitly for processing all instructions of a program and store the results into the accumulator. The instruction format that is used by this CPU Organisation is One address field.

Instruction are fetched by the program control unit.Whose main register is the program counter PC. They are executed in the data processing unit with containing an n-bit (ALU) and 2 data register AC and DR . Most instructions perform operations of the form
x1=f_i(x₁,x₂)
Memory address are stored in two address register in the PCU.Those are PC and AR.

Quote: “There is nothing more dreadful than the habit of doubt. Doubt separates people. It is a poison that disintegrates friendships and breaks up pleasant relations. It is a thorn that irritates and hurts; it is a sword that kills.” ― Buddha Siddhartha Guatama Shakyamuni