Quiz II

The number of tokens in the following C statement isprintf("i = %d, &i = %x", i, &i);

• 3.

• 26

• 10

• 21

In a compiler, keywords of a language are recognized during

• parsing of the program

• the code generation

• the lexical analysis of the program

• dataflow analysis

The lexical analysis for a modern computer language such as Java needs the power of which one of the following machine models in a necessary and sufficient sense?

• Finite state automata

• Deterministic pushdown automata

• Non Deterministic pushdown automata

• Turing Machine

The process of forming tokens from an input stream of characters is called

• Liberalisation

• Characterisation

• Tokenization

• None

When expression sum=3+2 is tokenized then what is the token category of 3?

• Identifier

• Assignment operator

• Integer Literal

• Addition Operator

Which grammar defines Lexical Syntax?

• Regular Grammar

• Syntactic Grammar

• Context free Grammar

• Lexical Grammar

Two Important lexical categories are

• White Space

• Comments

• White Space & Comments

• None

It has encoded within it information on the possible sequences of characters that can be contained within any of the tokens it handles. The mentioned function is performed by?

• Scanner

• Parser

• Evaluator

• Lexical Generator

Which one is a lexer Generator?

• ANTLR

• DRASTAR

• FLEX

• All of the above

Which of the lexical analyser can handle Unicode?

• Java CC

• JFLex

• Quex

• All of the above