1. Assume a pipeline processor with 6 stages: Fetch Instruction (FI), Decode Instruction (DI), Calculate Operands (CO), Fetch Operand (FO), Execute Instruction (EI) and Write Operand (WO). Draw the space time diagram for a sequence of 9 instructions. What would the number of time units with pipeline and the number of time unit without using pipeline? (20 marks)