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GATE - 1994 COMPILER
Which of the following features cannot be captured by context-free grammars?Anonymous voting
- A. Syntax of if-then-else statements
- B. Syntax of recursive procedures
- C. Whether a variable has been declared before its use
- D. Variable names of arbitrary length
GATE - 2018 COMPILER
Which one of the following statements is FALSE?Anonymous voting
- A. Context-free grammar can be used to specify both lexical and syntax rules
- B. Type checking is done before parsing
- C. High-level language programs can be translated to different Intermediate Representations
- D. Arguments to a function can be passed using the program stack
GATE - 1987 COMPILER
In a compiler the module the checks every character of the source text is called:Anonymous voting
- A. The Code Generator
- B. The Code Optimiser
- C. The Lexical Analyser
- D. The Syntax Analyser
GATE - 2008 COMPILER
Some code optimizations are carried out on the intermediate code because:Anonymous voting
- A. They enhance the portability of the compiler to the target processor
- B. Program analysis is more accurate on intermediate code than on machine code
- C. The information from dataflow analysis cannot otherwise be used for optimization
- D. The information from the front end cannot otherwise be used for optimization
GATE - 2002 COMPILER
To evaluate an expression without any embedded function calls:Anonymous voting
- A. One stack is enough
- B. Two stacks are needed
- C. As many stacks as the height of the expression tree are needed
- D. A Turing machine is needed in the general case
GATE - 1996 COMPILER
The pass numbers for each of the following activities: I. Object Code Generation II. Literals added to literal table III. Listing printed IV. Address resolution of local symbols that occur in a two pass assembler Respectively are:Anonymous voting
- A. 1, 2, 1, 2
- B. 2, 1, 2, 1
- C. 2, 1, 1, 2
- D. 1, 2, 2, 2
GATE - 1987 COMPILER
In a compiler the module the checks every character of the source text is called:Anonymous voting
- A. The Code Generator
- B. The Code Optimiser
- C. The Lexical Analyser
- D. The Syntax Analyser
GATE - 1994 COMPILER
Which of the following features cannot be captured by context-free grammars?Anonymous voting
- A. Syntax of if-then-else statements
- B. Syntax of recursive procedures
- C. Whether a variable has been declared before its use
- D. Variable names of arbitrary length
GATE - 2018 COMPILER
Which one of the following statements is FALSE?Anonymous voting
- A. Context-free grammar can be used to specify both lexical and syntax rules
- B. Type checking is done before parsing
- C. High-level language programs can be translated to different Intermediate Representations
- D. Arguments to a function can be passed using the program stack
How many 2:1 MUX required to form 16:1 MUX?Anonymous voting
- 7
- 15
- 3
- 63