1
GATE CSE 2024 Set 2
MCQ (More than One Correct Answer)
+1
-0

Which of the following statements is/are FALSE?

A

An attribute grammar is a syntax-directed definition (SDD) in which the functions in the semantic rules have no side effects

B

The attributes in a L-attributed definition cannot always be evaluated in a depth-first order

C

Synthesized attributes can be evaluated by a bottom-up parser as the input is parsed

D

All L-attributed definitions based on LR(1) grammar can be evaluated using a bottom-up parsing strategy

2
GATE CSE 2024 Set 1
MCQ (More than One Correct Answer)
+1
-0

Which of the following is/are Bottom-Up Parser(s)?

A

Shift-reduce Parser

B

Predictive Parser

C

LL(1) Parser

D

LR Parser

3
GATE CSE 2023
MCQ (Single Correct Answer)
+1
-0.33

Consider the following statements regarding the front-end and back-end of a compiler.

S1: The front-end includes phases that are independent of the target hardware.

S2: The back-end includes phases that are specific to the target hardware.

S3: The back-end includes phases that are specific to the programming language used in the source code.

Identify the CORRECT option.

A
Only S1 is TRUE.
B
Only S1 and S2 is TRUE.
C
S1, S2 and S3 are all TRUE.
D
Only S1 and S3 are TRUE.
4
GATE CSE 2022
MCQ (Single Correct Answer)
+1
-0.33

Which one of the following statements is TRUE?

A
The LALR(1) parser for a grammar G cannot have reduce-reduce conflict if the LR(1) parser for G does not have reduce-reduce conflict.
B
Symbol table is accessed only during the lexical analysis phase.
C
Data flow analysis is necessary for run-time memory management.
D
LR(1) parsing is sufficient for deterministic context-free languages.
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