Mock Test on Compiler Design Questions and Answers

Mock Test on Compiler Design Questions and Answers-2

1. In X. YZ the in between represents shift operation


Select one:
a.  False
b.  True

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The answer is: True

2. FIRST of a terminal is always a terminal

Select one:
a.  False
b.  True

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The answer is: True

3. LL parser is an example for Bottom - up parser design

Select one:
a.  True
b.  False

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The answer is: False

4.  In Classes of languages accepted by NFA and its equivalent DFA are different

Select one:
a.  False
b.  True

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The answer is: False

5. In XYZ.  the .  at the end represents reduce operation

Select one:
a.  False
b.  True

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The answer is: True

6. In Yet Another Compiler's Compiler is a tool for

Select one:
a.  code optimization
b.  Intermediate code generation
c.  Lexical analysis
d.  Syntax analysis

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The answer is: Syntax analysis

7. In Push - Down Automata is used for parser designs

Select one:
a.  False
b.  True

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The answer is: True

8. x = y + z is an example for three - address code

Select one:
a.  True
b.  False

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The answer is: True

9. The first and last statements in a Basic block can be leaders

Select one:
a.  True
b.  False

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The answer is: False

10. In The statement followed by an unconditional jump is a leader

Select one:
a.  False
b.  True

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The answer is: False

11. The run time environment represents recursive call as Activation Record

Select one:

a.  True

b.  False

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The answer is: True

12. The statement followed by a conditional jump is a leader

Select one:
a.  False
b.  True

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The answer is: True

13. LR parser is an example for Top - down design for parser

Select one:
a.  False
b.  True

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The answer is: False

14. The linux command grep stands

Select one:
a.  none of the above
b.  global regular execute pattern
c.  gedit row edit print
d.  globally search a regular expression and print

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The answer is: globally search a regular expression and print

15. Parsing is also Known as:

Select one:
a.  Code generation
b.  Syntax Analysis
c.  Lexical Analysis
d.  Semantic Analysis

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The answer is: Syntax Analysis

16. FOLLOW set is computed for only non-terminals/variables

Select one:
a.  False
b.  True

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The answer is: True

17. predictive parser can be

Select one:
a.  Recursive and constructive
b.  Non Recursive
c.  Constructive
d.  Recursive

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The answer is: Recursive

18. In Control Flow Graph uses stack based address format

Select one:
a.  True
b.  False

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The answer is: False

19. In DAG form of the Abstract Syntax Tree the common sub-expressions are

eliminated

Select one:
a.  False
b.  True

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The answer is: True

20. In a two pass assembler the object code generation is done during the ?

Select one:
a.  None of these
b.  Second pass
c.  First pass
d.  Zeroed Pass

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The answer is: Second pass