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Welcome to the Compilers MCQs Page

Dive deep into the fascinating world of Compilers with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Compilers, a crucial aspect of Systems Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Compilers, 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 Systems Programming.

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Check out the MCQs below to embark on an enriching journey through Compilers. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Systems Programming.

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

Compilers MCQs | Page 8 of 9

Explore more Topics under Systems Programming

Q71.
System program such a s compiler are designed so that they are

a.

serially usable

b.

re-enterable

c.

non-reusable

d.

none of these

Discuss
Answer: (b).re-enterable
Q72.
Compiler can diagnose

a.

logical errors only

b.

grammatical errors only

c.

grammatical as well as logical errors

d.

None of these

Discuss
Answer: (b).grammatical errors only
Q73.
A programmer, by mistake, writes an instruction to divide, instead of a multiply, such error can be detected by a/an

a.

compiler

b.

interpreter

c.

compiler or interpreter test

d.

None of these

Discuss
Answer: (d).None of these
Q74.
Disadvantage of " Compile and GO " loading scheme is that

a.

it is necessary to retranslate the users program and check everytime it is run

b.

a portion of memory is wasted because the case occupied by the assembler is unavailable to the object program

c.

it is very difficult to handle multiple segments, especially if the source programs are in different languages and to produce orderly modular programs

d.

all of these

Discuss
Answer: (d).all of these
Q75.
Function of the storage assignment is

a.

assign storage to all variables referenced in the source program

b.

assign storage to all temporary locations that are necessary for intermediate results

c.

assign storage to literals, and to ensure that the storage is allocated and appropriate locations are initialized

d.

all of these

Discuss
Answer: (d).all of these
Q76.
Generation of intermediate code based on a abstract machine model is useful in compilers because

a.

it enhances the portability of the front end of the compiler

b.

it makes implementation of lexical analysis and syntax analysis easier

c.

syntax directed translations can be written for intermediate code generation

d.

it is not possible to generate code for real machines directly from high level language programs

Discuss
Answer: (b).it makes implementation of lexical analysis and syntax analysis easier
Q77.
A language L allows declaration of arrays whose sizes are not known during compilation. It is required to make efficient use of memory. Which one of the following is true ?

a.

a compiler using dynamic memory allocation can be written for L

b.

a compiler cannot be written for L ; an interpreter must be used

c.

a compiler using static memory allocation can be written for L

d.

none of these

Discuss
Answer: (a).a compiler using dynamic memory allocation can be written for L
Q78.
Three address code invloves

a.

exactly 3 address

b.

no unary operators

c.

at the most 3 address

d.

none of these

Discuss
Answer: (c).at the most 3 address
Q79.
Peep-hole optimization is a form of

a.

constant folding

b.

data flow analysis

c.

loop optimization

d.

local optimization

Discuss
Answer: (a).constant folding
Q80.
An optimizing compiler

a.

optimizes the code

b.

is optimized to occupy less space

c.

is optimized to take less time for execution

d.

all of the above

Discuss
Answer: (d).all of the above
Page 8 of 9

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