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Stack Operations - Section 2 Multiple Questions and Answers.
| 16. | What is the result of the following operation Top (Push (S, X)) | ||
| A. | X | ||
| B. | Null | ||
| C. | S | ||
| D. | None | ||
| 17. | The prefix form of an infix expression p + q - r * t is? | ||
| A. | + pq - *rt | ||
| B. | - +pqr * t | ||
| C. | - +pq * rt | ||
| D. | - + * pqrt | ||
| 18. | The result of evaluating the postfix expression 5, 4, 6, +, *, 4, 9, 3, /, +, * is? | ||
| A. | 600 | ||
| B. | 350 | ||
| C. | 650 | ||
| D. | 588 | ||
| 19. | Convert the following infix expressions into its equivalent postfix expressions (A + B ⋀D)/(E - F)+G: | ||
| A. | (A B D ⋀ + E F - / G +) | ||
| B. | (A B D +⋀ E F - / G +) | ||
| C. | (A B D ⋀ + E F/- G +) | ||
| D. | none of these | ||
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