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Welcome to the Bottom Up Parsing MCQs Page

Dive deep into the fascinating world of Bottom Up Parsing with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Bottom Up Parsing, a crucial aspect of Compiler Design. In this section, you will encounter a diverse range of MCQs that cover various aspects of Bottom Up Parsing, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Compiler Design.

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Check out the MCQs below to embark on an enriching journey through Bottom Up Parsing. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Compiler Design.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Bottom Up Parsing. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Bottom Up Parsing MCQs | Page 4 of 5

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Q31.
When there is a reduce/reduce conflict?

a.

If a state does not know whether it will make a shift operation using the production rule i or j for a terminal.

b.

If a state does not know whether it will make a shift or reduction operation using the production rule i or j for a terminal.

c.

If a state does not know whether it will make a reduction operation using the production rule i or j for a terminal.

d.

None of the mentioned

Discuss
Answer: (c).If a state does not know whether it will make a reduction operation using the production rule i or j for a terminal.
Q32.
When ß ( in the LR(1) item A -> ß.a,a ) is not empty, the look-head

a.

Will be affecting.

b.

Does not have any affect.

c.

Shift will take place.

d.

Reduction will take place.

Discuss
Answer: (b).Does not have any affect.
Q33.
When ß is empty (A -> ß.,a ), the reduction by A-> a is done

a.

If next symbol is a terminal

b.

Only If the next input symbol is a

c.

Only If the next input symbol is A

d.

Only if the next input symbol is a

Discuss
Answer: (d).Only if the next input symbol is a
Q34.
The construction of the canonical collection of the sets of LR (1) items are similar to the construction of the canonical collection of the sets of LR (0) items. Which is an exception?

a.

Closure and goto operations work a little bit different

b.

Closure and goto operations work similarly

c.

Closure and additive operations work a little bit different

d.

Closure and associatively operations work a little bit different

Discuss
Answer: (a).Closure and goto operations work a little bit different
Q35.
Which of the following is a phase of a compilation process?

a.

Lexical Analysis

b.

Code Generation

c.

Lexical Analysis & Code Generation

d.

None of the mentioned

Discuss
Answer: (c).Lexical Analysis & Code Generation
Q36.
A simple two-pass assembler does which of the following in the first pass.

a.

It allocates space for the literals

b.

Calculates total length of the program

c.

Symbol table is built for the symbols and their value

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q37.
A programmer by mistake writes multiplication instead of division, such error can be detected by a/an

a.

Compiler

b.

Interpreter

c.

Compiler or interpreter test

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Q38.
A shift reduce parser carries out the actions specified within braces immediately after reducing with the corresponding rule of grammar S—-> xxW ( PRINT “1”) S—-> y { print ” 2 ” } S—-> Sz { print ” 3 ” ) What is the translation of xxxxyzz using the syntax directed translation scheme described by the above rules ?

a.

23131

b.

11233

c.

11231

d.

33211

Discuss
Answer: (a).23131
Q39.
In operator precedence parsing whose precedence relations are defined

a.

For all pair of non-terminals

b.

For all pair of terminals

c.

To delimit the handle

d.

None of the mentioned

Discuss
Answer: (a).For all pair of non-terminals
Q40.
( Z,* ) be a structure, and * is defined by n * m =maximum ( n , m ) Which of the following statements is true for ( Z, * ) ?

a.

( Z,* ) is a monoid

b.

( Z,* ) is an algebraic group

c.

( Z,* ) is a group

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Page 4 of 5

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