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Explain briefly Common sub expression elimination of the commonly used code optimization techniques.
Common sub expression elimination:
In given expression as "(a+b)-(a+b)/4", in such "common sub-expression" termed to the duplicated "(a+b)". Compilers implementing such technique realize that "(a+b)" would not modify, and by itself, only compute its value once and use similar value next time.
Divide (101110) 2 by (101) 2 Ans. Quotient is = -1001 Remainder is = -001
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Reassembling of IP fragments at the ultimate destination is advantageous. Give reasons. Needing the ultimate destination to reassemble the fragments has two major advantages. F
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