Compiler Design U1

Which phase of compiler does NOT use symbol table?

• Code generation

• Syntax Analysis

• Lexical Analysis

• None of the options

Phase of the compiler scanning the input sequence is known as

• Input scanning

• Lexical analysis

• Structure analysis

• Syntax analysis

A compiler can check

• Logical error

• Syntax error

• Both logical error and syntax error

• Not logical and syntax error

The major area for optimization is loop as

• Loop may go to infinite execution

• Condition check takes exceedingly large time

• Loop body is repeated several times

• None of the above

Symbol table is created by

• Lexical analyzer

• Syntax analyzer

• Both lexical and syntax analyzer

• Neither lexical nor syntax analyzer

Output file of Lex is _____ the input file is Myfile

• Myfile.e

• Myfile.yy.c

• Myfile.lex

• Myfile.obj

Most of the programming language follows

• Static scoping

• Dynamic scoping

• Both static and dynamic scoping

• Neither static nor dynamic scoping

The output of the Lexical analyzer is

• Set of Tokens

• A set of RE

• Syntax tree

• String Character

• Q in a tuple

• None of the options

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

• Identifier

• Assignment operator

• Integer Literal

• Addition Operator