Compiler Design Set 1

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Free Online Best Compiler Design MCQ Questions for improve your basic knowledge of Compiler Design. This Compiler Design set 1 test that contains 25 Multiple Choice Questions with 4 options. You have to select the right answer to a question.

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Question 1

Which concept of grammar is used in the compiler?

A	Lexical analysis
B	Parser
C	Code generation
D	Code optimization

Question 2

Which of the following are Lexemes?

A	Identifiers
B	Constants
C	Keywords
D	All of Above

Question 3

____ or scanning is the process, where the stream of characters making up the source program is read from left to right and grouped into tokens.

A	Modeling
B	Diversion
C	Lexical analysis
D	All of Above

Question 4

Which of the following groups is/are token together into semantic structures?

A	Syntax analyzer
B	Intermediate code generation
C	Lexical analyzer
D	Semantic analyzer

Question 5

A compiler for a high level language that runs on one machine and produce code for different machine is called______

A	One pass compiler
B	multipass compiler
C	croos compiler
D	optimizing compiler

Question 6

A compiler is preferable to an interpreter because____

A	Debugging can be faster and easier
B	If one changes a statement, only that statement needs re-compilation
C	It is much helpful in the initial stages of program development
D	It can generate stand alone programs that often take less time for execution

Question 7

A compiler for a high-level language that runs on one machine and produces code for a different machine is called ___________

A	Optimizing compiler
B	One pass compiler
C	Cross compiler
D	Multipass compiler

Question 8

All ___________ are automatically treated as regular expressions.

A	Programmatic description
B	Window
C	Win Object
D	Collection

Question 9

A compiler which allows only the modified section of the source code to be recompiled is called___

A	Subjective compiler
B	Dynamic compiler
C	Re-configurable compiler
D	Incremental compiler

Question 10

Compiler should report the presence of __________ in the source program, in translation process.

A	Classes
B	Objects
C	Errors
D	Text

Question 11

An optimizing compiler______

A	Is optimized to occupy less space
B	Optimized the code
C	Is optimized to take less time for execution
D	None of these

Question 12

Compiler is a program that______

A	Accepts a program written in a high level language and produces an object program
B	Appears to execute a source program as if it were machine language
C	Automates the translation of assembly language into machine language
D	Places programs into memory and prepares them for execution

Question 13

Which of the following symbol table implementation has the minimum access time?

A	Self-organizing list
B	Linear
C	Search tree
D	Hash table

Question 14

The graph that shows the basic blocks and their successor relationship is called______

A	Hamiltonian graph
B	Control graph
C	Flow graph
D	DAG

Question 15

Which table is a permanent database that has an entry for each terminal symbol?

A	Reductions
B	Identifier table
C	Literal table
D	Terminal table

Question 16

Which symbol table implementation is based on the property of locality of reference?

A	Linear list
B	Search tree
C	Hash Table
D	Self Organisation

Question 17

Loader is a program that_____

A	Places programs into memory and prepares them for execution
B	Automates the translation of assembly language into machine language
C	Accepts a program written in a high level language and produces an object program
D	Appears to execute a source program as if it were machine language

Question 18

What is the output of lexical analyzer?

A	A parse tree
B	A list of tokens
C	Intermediate code
D	Machine code

Question 19

An optimizer Compiler __________

A	Is optimized to occupy less space
B	Is optimized to occupy less space & Optimize the code
C	Optimize the code
D	None of Above

Question 20

The action of parsing the source program into proper syntactic classes is called___

A	General syntax analysis
B	Interpretation analysis
C	Syntax analysis
D	Lexical analysis

Question 21

Which concept of FSA is used in the compiler?

A	Lexical analysis
B	Parser
C	Code generation
D	Code optimization

Question 22

Interpreter is preferred over a compiler is____

A	During program development phase
B	When storage space is to be minimized
C	When efficient use of computer resources is the consideration
D	All of Above

Question 23

A system program that combines separately compiled modules of a program into a form suitable for execution is called ___________

A	Assembler
B	Linking loader
C	Cross compiler
D	None of Above

Question 24

What is the output of lexical analyzer?

A	A set of RE
B	Syntax Tree
C	Set of Tokens
D	String Character

Question 25

Compiler translates the source code to_____

A	Executable code
B	Machine code
C	Binary code
D	Both B and C

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