Question 41 : typedef int (*PFI)(char *, char *)creates ___________
1. type PFI, for pointer to function (of two char * arguments) returning int
2. error
3. type PFI, function (of two char * arguments) returning int
4. type PFI, for pointer
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Question 42 : Which of the following data types are accepted while declaring bit-fields?
1. char
2. float
3. double
4. none of the mentioned
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Question 43 : To print out a and b given below, which of the following printf() statement will you use?
#include
float a=3.14;
double b=3.14;
1. printf(''%f %lf'', a, b);
2. printf(''%Lf %f'', a, b);
3. printf(''%Lf %Lf'', a, b);
4. printf(''%f %Lf'', a, b);
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Question 44 : Which of the following operations can be performed on the file ''NOTES.TXT'' using the below code?

FILE *fp;
fp = fopen(''NOTES.TXT'', ''r+'');
1. Reading
2. Writing
3. Appending
4. Read and Write
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Question 45 : What is the purpose of ''rb'' in fopen() function used below in the code?

FILE *fp;
fp = fopen(''source.txt'', ''rb'');
1. open ''source.txt'' in binary mode for reading
2. open ''source.txt'' in binary mode for reading and writing
3. Create a new file ''source.txt'' for reading and writing
4. None of above
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Question 46 : In a file contains the line ''I am a boyrn'' then on reading this line into the array str using fgets(). What will str contain?
1. 'I am a boy\r\n\0''
2. 'I am a boy\r\0''
3. 'I am a boy\n\0''
4. 'I am a boy''
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