Welcome to the Data Types,Operators and Expressions in C MCQs Page

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

Check out the MCQs below to embark on an enriching journey through Data Types,Operators and Expressions in C. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of C Programming.

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

Data Types,Operators and Expressions in C MCQs | Page 49 of 66

Explore more Topics under C Programming

01

C Programming Fundamentals

02

Control Flow Statements in C

03

Functions

04

Pointers and Arrays in C

05

Structures and Unions

06

Input and Output in C

07

Library Functions

08

Strings

09

File Handling in C

10

Macro and Preprocessor

Q481.

If a variable can take only integral values from 0 to n. where n is a constant integer, then the variable can be represented as a bit-field whose width is the integral part of (the log in the answers arc to the base 2)

log (n) + 1

log (n - 1) + 1

log (n + 1) + 1

none of the above

Discuss

Answer: (a).log (n) + 1

Q482.

In a C program constant is defined

before main

after main

anywhere, but starting on a new line

none of the above

Discuss

Answer: (c).anywhere, but starting on a new line

Q483.

The rule for implicit type conversion is

int < unsigned < float < double

unsigned < int < float < double

int < unsigned < double < float

unsigned < inc < double < float

Discuss

Answer: (a).int < unsigned < float < double

Q484.

What is the correct way to round offx, a float, to an int value?

y=(int)(x+0.5)

y=int(x+0.5)

y=(int)x+0.5

y=(int)(int)x+0.5)

Discuss

Answer: (a).y=(int)(x+0.5)

Q485.

By default, any real number in 'C' is treated as

A float

A double

A long double

Depend upon memory model that you are using

Discuss

Answer: (b).A double

Q486.

To print out a and b given below, which printf() statement would you use?

float a = 3.14;
double b = 3.14;

printf("%f%f",a,b);

printf("%Lf%f",a,b);

printf("%Lf%Lf",a,b);

printf("%f%Lf",a,b);

Discuss

Answer: (a).printf("%f%f",a,b);

Q487.

When a variable of data type double is converted into float, then

Rounding takes place

Truncation takes place

The lower order bits are dropped

None of these

Discuss

Answer: (a).Rounding takes place

Q488.

The library function sqrt operates on a double precision argument. If, i is an integer variable, then which of the following calls would correctly compute sqrt(i)?

sqrt((double)i)

(double)sqrt(i)?

(double)(sqrt(i))

sqrt(i)

Discuss

Answer: (a).sqrt((double)i)

Q489.

The statement

printf( " % f ", ( float )9/5) ;

prints

1.8

1.0

2.0

none of these

Discuss

Answer: (a).1.8

Q490.

The declaration

enum cities{ bethlehem, jericho, nazareth = 1, jerusalem }

assigns the value 1 to

bethlehem

nazareth

bethIehem and nazareth

jericho and nazareth

Discuss

Answer: (d).jericho and nazareth

Page 49 of 66

Welcome to the Data Types,Operators and Expressions in C MCQs Page

Data Types,Operators and Expressions in C MCQs | Page 49 of 66

Explore more Topics under C Programming

C Programming Fundamentals

Control Flow Statements in C

Functions

Pointers and Arrays in C

Structures and Unions

Input and Output in C

Library Functions

Strings

File Handling in C

Macro and Preprocessor

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