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If dynamic scoping is used and call by name mechanism is used, the values printed will be?

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If  dynamic scoping is used and call by name mechanism is used, the values printed will be?

(a) 115, 220

(b) 25, 220

(c) 25, 15

(d) 115, 105

This question was addressed to me by my school teacher while I was bunking the class.

I'd like to ask this question from L-Attributed Definition in section Syntax Directed Definition and Translations of Compiler

1 Answer

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Correct choice is (b) 25, 220

The best explanation: Since x = i + j & in P (x) i = 200 & j = 20 x = 200 + 20 = 220 & printing (x + 10) 9. = i + j + 10 = 10 + 5 + 10 = 25.

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