Only part b and in the table each NOP must be placed in a separate row, rewrite the code with the added nop

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Problem #5 (Pipeline Hazards) (a) What are the pipeline hazards that can cause a slowdown in the pipeline? Briefly explain all of them with possible remedies. (b) Given the following sequence of assembly language instructions, indicate all data dependencies (RAW, WAR, WAW) that exist between instructions. Insert nops to ensure correct execution of the code for a 5-stage pipeline system. Assume that the first half of the clock cycle write- back stage writes to register file and the second half of the clock cycle the decode stage performs a read of source registers I1: lw $4, 8($16) 12: lw S5, 16(S4) 13: add $2, $4, S5