Consider the grammar rule. E - E1 − E2 for arithmetic expressions. If E1 and E2 do not have any common sub expression, in order to get the shortest possible code.

Question

Consider the grammar rule. E -> E1 − E2 for arithmetic expressions. If E1 and E2 do not have any common sub expression, in order to get the shortest possible code.

TuteeHUB · Accepted Answer

Evaluation of E1 and E2 should necessarily be interleaved

TuteeHUB · Answer

E1 should be evaluated first

TuteeHUB · Answer

E2 should be evaluated first

TuteeHUB · Answer

Evaluation of E1 and E2 should necessarily be interleaved

TuteeHUB · Answer

Order of evaluation of E1 and E2 is of no consequence

1.	Consider the grammar rule. E -> E1 − E2 for arithmetic expressions. If E1 and E2 do not have any common sub expression, in order to get the shortest possible code.
A.	E1 should be evaluated first
B.	E2 should be evaluated first
C.	Evaluation of E1 and E2 should necessarily be interleaved
D.	Order of evaluation of E1 and E2 is of no consequence
Answer» C. Evaluation of E1 and E2 should necessarily be interleaved

Consider the grammar rule. E -> E1 − E2 for arithmetic expressions. If E1 and E2 do not have any common sub expression, in order to get the shortest possible code.

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