Welcome to the Input and Output in C MCQs Page

Dive deep into the fascinating world of Input and Output in C with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Input and Output in C, a crucial aspect of C Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Input and Output 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 Input and Output 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 Input and Output in C. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Input and Output in C MCQs | Page 7 of 42

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01

C Programming Fundamentals

02

Data Types,Operators and Expressions in C

03

Control Flow Statements in C

04

Functions

05

Pointers and Arrays in C

06

Structures and Unions

07

Library Functions

08

Strings

09

File Handling in C

10

Macro and Preprocessor

Q61.

Which is true about getc returns?

The next character from the stream is not referred by file pointer

EOF for end of file or error

Nothing

None of the mentioned

Discuss

Answer: (b).EOF for end of file or error

Q62.

When a C program is started, O.S environment is responsible for opening file and providing pointer for that file?

Standard input

Standard output

Standard error

All of the menitoned

Discuss

Answer: (d).All of the menitoned

Q63.

FILE is of type ______

int type

char * type

struct type

None of the mentioned

Discuss

Answer: (c).struct type

Q64.

What is the meant by ‘a’ in the following operation?
fp = fopen(“Random.txt”, “a”);

Attach

Append

Apprehend

Add

Discuss

Answer: (b).Append

Q65.

Which of the following mode argument is used to truncate?

Discuss

Answer: (c).w

Q66.

Which type of files can’t be opened using fopen()?

.txt

.bin

none of the mentioned

Discuss

Answer: (d).none of the mentioned

Q67.

Which of the following fopen statements are illegal?

fopen in C

fp = fopen(“abc.txt”, “r”);

fp = fopen(“/home/user1/abc.txt”, “w”);

fp = fopen(“abc”, “w”);

none of the mentioned

Discuss

Answer: (d).none of the mentioned

Q68.

What does the following segment of code do?
fprintf(fp, “Copying!”);

It writes “Copying!” into the file pointed by fp

It reads “Copying!” from the file and prints on display

It writes as well as reads “Copying!” to and from the file and prints it

None of the mentioned

Discuss

Answer: (a).It writes “Copying!” into the file pointed by fp

Q69.

FILE reserved word is

A structure tag declared in stdio.h

One of the basic datatypes in c

Pointer to the structure defined in stdio.h

It is a type name defined in stdio.h

Discuss

Answer: (d).It is a type name defined in stdio.h

Q70.

What is the output of this C code?

#include <stdio.h>
    int main()
    {
        FILE *fp = stdin;
        int n;
        fprintf(fp, "%d", 45);
    }

Compilation error

Nothing

Depends on the standard

Discuss

Answer: (c).Nothing

Page 7 of 42

Welcome to the Input and Output in C MCQs Page

Input and Output in C MCQs | Page 7 of 42

Explore more Topics under C Programming

C Programming Fundamentals

Data Types,Operators and Expressions in C

Control Flow Statements in C

Functions

Pointers and Arrays in C

Structures and Unions

Library Functions

Strings

File Handling in C

Macro and Preprocessor

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