Which of the following are true:

Answer: A. Heap allocation is required for the languages that support dynamic data structures.; C. The parser’s output is an abstract syntax tree, which represents the grammatical structure of the parse input.; D. In DAG no element can be child of itself but can have multiple children and multiple parents for a single node — A. True: The array created by malloc (dynamic memory allocation) gets allocated space in Heap memory. B. False: Operators appear as the internal nodes in an…

1. A.

   Heap allocation is required for the languages that support dynamic data structures.

2. B.

   In an abstract syntax tree the operators can appear as leaves while keywords cannot appear as leaves

3. C.

   The parser’s output is an abstract syntax tree, which represents the grammatical structure of the parse input.

4. D.

   In DAG no element can be child of itself but can have multiple children and multiple parents for a single node

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Show answer & explanation

Correct answer: A, C, D

A. True: The array created by malloc (dynamic memory allocation) gets allocated space in Heap memory.

B. False: Operators appear as the internal nodes in an Abstract Syntax Tree.

C. True: Thats the purpose of parser.

D. True: