File Handling--C programming

The first and second arguments of fopen() are

• A. A character string containing the name of the file & the second argument is the mode

• B. A character string containing the name of the user & the second argument is the mode

• C. A character string containing file pointer & the second argument is the mode

• D. None of the mentioned

FILE is of type ______

• A. int type

• B. char * type

• C. struct type

• D. None of the mentioned

Which of the following true about FILE *fp

• A. FILE is a keyword in C for representing files and fp is a variable of FILE type.

• B. FILE is a stream

• C. FILE is a buffered stream

• D. FILE is a structure and fp is a pointer to the structure of FILE type

Which of the following fopen statements are illegal?

• A. fp = fopen(“abc.txt”, “r”);

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

• C. fp = fopen(“abc”, “w”);

• D. None of the mentioned.

When fopen() is not able to open a file, it returns

• A. EOF

• B. NULL

• C. Run-time Error

• D. None of the above

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

• A. .txt

• B. .bin

• C. .c

• D. None of the above

It is not possible to combine two or more file opening mode in open () method.

• A. True

• B. False

For binary files, a ___ must be appended to the mode string.

• A. "b"

• B. "B"

• C. "binary"

• D. "01"

Which files will get closed through the fclose() in the following program?

void main()

{

FILE *fp, *ft;

fp = fopen("a.txt", "r");

ft = fopen("b.txt", "r");

fclose(fp,ft);

}

• A. a, b

• B. a

• C. b

• D. Error in fclose

What is the purpose of "rb" in fopen() function used below in the code?

FILE *fp;

fp = fopen("demo.txt", "rb");

• A. Open "demo.txt" in binary mode for reading

• B. Create a new file "demo.txt" for reading and writing

• C. Open "demo.txt" in binary mode for reading and writing

• D. None of the above