CS606 Quiz 4 Jan 2026 Set 2

Quiz 1 - CS606 (Q1/10)

Question:

What does the notation refer to in YACC?

1. The symbol on the right-hand side of the production
2. The symbol on the down-hand side of the production
3. The symbol on the up-hand side of the production
4. The symbol on the left-hand side of the production

Correct answer: The symbol on the left-hand side of the production

Copied: 1/8/2026, 11:09:00 PM

Quiz 2 - CS606 (Q2/10)

Question:

In syntax-directed translation, every time the parser encounters an identifier, it stores it in the _______________.

A. Parsing Stack

B. Symbol table

C. Priority Queue D. Linear Array Copied: 1/8/2026, 11:09:18 PM

Quiz 3 - CS606 (Q3/10)

Question:

What purpose does the topological sort serve in the dynamic method of attribute grammar evaluation?

1. It constructs the parse tree.
2. It defines the order of attribute evaluation.
3. It builds the dependence graph.
4. It ensures the absence of circular dependencies.

Correct answer: It defines the order of attribute evaluation.

Copied: 1/8/2026, 11:09:33 PM

Quiz 4 - CS606 (Q4/10)

Question:

What does LALR(1) stand for?

1. Look Ahead RR(1)
2. Look Ahead LR(1)
3. Look Ahead RL(1)
4. Look Ahead LL(1)

Correct answer: Look Ahead LR(1)

Copied: 1/8/2026, 11:09:47 PM

Quiz 5 - CS606 (Q5/10)

Question:

In YACC, what does the notation $2 refer to?

1. The first symbol on the right-hand side of a production
2. The second symbol on the right-hand side of a production
3. The second symbol on the left-hand side of a production
4. The first symbol on the left-hand side of a production

Correct answer: The second symbol on the right-hand side of a production

Copied: 1/8/2026, 11:10:07 PM

Quiz 6 - CS606 (Q6/10)

Question:

In attribute grammars, each symbol in the derivation has a set of values or attributes.

A. True

B. False Copied: 1/8/2026, 11:10:28 PM

Quiz 7 - CS606 (Q7/10)

Question:

In attribute grammars, an attribute (e.g., val) of a symbol (e.g., B) can be written as ____________.

A. val.B

C. B.val

Copied: 1/8/2026, 11:10:40 PM

Quiz 8 - CS606 (Q8/10)

Question:

In stack-machine code, how are operands typically accessed for operations?

1. Through memory loads and stores
2. By pushing them onto a stack
3. By using index-based addressing

Correct answer: By pushing them onto a stack