Instruction Sequence

sw $$2,0($$$10)$

add $$2,$ $$3,$ $$4$

add $$5,$ $$2,$ $$10$

add $$6,$ $$7,$ $$3$

lw $$5,40($$$2)$

add $$8,$ $$10,$ $$5$

addi $$2,$ $$2,4$

add $$2,$ $$2,$ $$4$

add $$2,$ $$2,$ $$5$

$1.$ Identify all read after write $($RAW$)$ data dependencies in the following sequence of instructions, when executed on the $5-$stage pipelined MIPS implementation without forwarding.

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$2.$ Identify all data hazards in the following sequence of instructions, when executed on the $5-$stage pipelined MIPS implementation without forwarding.

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$3.$ How many cycles are need to run this code when executed on the $5-$stage pipelined MIPS implementation without forwarding?