Based on the timing diagram in Figure 3. Assume that there is only a two stages pipeline (fetch, execute), answer the following questions: FI FI FI Time 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 Lolo jawo! Instruction 1 Dil.co.ro El j wol Instruction 2 Col.FO Eli wo Instruction 3 Instruction 4 FIDL.co FOEI wo FO Instruction 5 coFO wo Instruction 6 wo Instruction 7 Instruction 8 DIL.CO FO Elwo DI co FO wol Instruction 9 Instruction O: Operand Rajah 3: Gambarajah masa untuk operasi arahan talianpaip untuk enam tahap Figure 3: Timing diagram for Instruction Pipeline Operation for six stages STT 2T 8 OT 81 FI EI 18 Tams FI FI 5/6 a) Lukis semula gambarajah masa untuk menunjukkan bilangan unit masa diperlukan bagi empat arahan. Redraw the diagram to show how many time units are now needed for four instructions. (2 markah/marks) b) Kira kecepatan talianpaip bagi tahap-2 berbanding dengan talianpaip berjujukan. Calculate the speedup of 2-stage pipeline comparing with sequential pipeline. (4 markah/marks)