CS606 Quiz 4 Jan 2026

Quiz 1 - CS606 (Q1/10)

Question:

What is the main characteristic of linear IRs?

1. They represent the program as a graph.
2. They allow for complex program structures and sophisticated analyses.
3. They represent the program as a linear sequence of instructions or statements.
4. They combine elements of graphical and linear representations.

Correct answer: They represent the program as a linear sequence of instructions or statements.

Copied: 1/8/2026, 9:36:21 PM

Quiz 2 - CS606 (Q2/10)

Question:

What is the size, in bytes, typically allocated for addresses in three-address code?

1. 4 bytes
2. 1 byte
3. 2 bytes
4. 8 bytes

Correct answer: 4 bytes

Copied: 1/8/2026, 9:36:36 PM

Quiz 3 - CS606 (Q3/10)

Question:

Which of the following attributes flows from parent nodes to child nodes in an attributed tree?

1. Synthesized attributes
2. Semantic attributes
3. Structural attributes
4. Inherited attributes

Copied: 1/8/2026, 9:36:50 PM

Quiz 4 - CS606 (Q4/10)

Question:

Which file extension is commonly used for YACC specification file?

1. .bnf
2. .lex
3. .bin
4. .y

Correct answer: .y

Copied: 1/8/2026, 9:37:13 PM

Quiz 5 - CS606 (Q5/10)

Question:

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

B. B.val

D. val.B Copied: 1/8/2026, 9:37:40 PM

Quiz 6 - CS606 (Q6/10)

Question:

What is the purpose of analyzing attribute rules in the rule-based methodology of attribute grammar evaluation?

1. To establish a fixed ordering of attribute evaluation
2. To generate the parse tree
3. To optimize the attribute computation process
4. To determine the syntax of the source code

Correct answer: To establish a fixed ordering of attribute evaluation

Copied: 1/8/2026, 9:38:07 PM

Quiz 7 - CS606 (Q7/10)

Question:

Which of the following is NOT a typical use of attributed trees in compiler design?

1. Error handling
2. Syntax analysis
3. Type checking
4. Optimization

Correct answer: Syntax analysis

Copied: 1/8/2026, 9:38:27 PM

Quiz 8 - CS606 (Q8/10)

Question:

Stack-machine code is also called _______________ code.

A. Two-address