Question 41 : A optimizing compiler
1. Is optimized to occupy less space
2. Is optimized to take less time for execution
3. Optimized the code
4. None of the mentioned
View Answer   Discuss with Members

Question 42 : A garbage is
1. Unallocated storage
2. Allocated storage whose access paths are destroyed?
3. Allocated storage
4. Uninitialized storage
View Answer   Discuss with Members

Question 43 : Which of the following is used for grouping of characters into tokens?
1. Parser
2. Code optimization
3. Code generator
4. Lexical analyser
View Answer   Discuss with Members

Question 44 : The output of lexical analyzer is
1. A set of regular expression
2. Syntax tress
3. Set of Token
4. String of Characters
View Answer   Discuss with Members

Question 45 : Which of the following actions an operator precedence parser may take to recover from an error?
1. Insert symbols onto the stack
2. Delete symbols from the stack
3. Inserting or deleting symbols from the input
4. All of the mentioned
View Answer   Discuss with Members

Question 46 : An intermediate code form is
1. Postfix notation
2. Syntax Trees
3. Three Address code
4. All of the mentioned
View Answer   Discuss with Members

Question 47 : DAG representation of a basic block allows
1. Automatic detection of local common sub expressions
2. Detection of induction variables
3. Automatic detection of loop variant
4. None of the mentioned
View Answer   Discuss with Members

Question 48 : Shift reduce parsers are
1. Top down Parser
2. Bottom Up parser
3. May be top down or bottom up
4. None of the mentioned
View Answer   Discuss with Members

Question 49 : Scissoring enables
1. A part of data to be displayed
2. Entire data to be displayed
3. None of the mentioned
4. No data to be displayed
View Answer   Discuss with Members

Question 50 : The optimization which avoids test at every iteration is
1. Loop unrolling
2. Loop jamming
3. Constant folding
4. None of the mentioned
View Answer   Discuss with Members