Pipelined Processer It is pipelined version of single cycle processor. Description It is 5 stage pipeline processor without forwarding path and data lock unit. The 5 stages are Instruction fetch (IF) Operand fetch (OF) Execute (EX) Memory Access (MA) Write Back (WB) It has 4 Pipeline registers. All are negetive edge clock triggered. PR1 (IF_OF) PR2 (OF_EX) PR3 (EX_MA) PR4 (MA_WB)