A file named output.txt contains the formatted data below. Circle all of the 4 c

Question

A file named output.txt contains the formatted data below. Circle all of the 4 code sequence that could have produced this file. Circle all programs below that will yield a compile error Circle the correct C code that will prompt the user for the name of the input file and then read one word from the indicated file. You may assume that the following have already been declared: char filename[100]; char word[100]; FILE * fptr; What will be the exact output of the following program. #include main() { struct value { unsigned int bit 1: 1; unsigned int bit 3: 2; unsigned int bit 4: 3; } bit = {1, 2, 256}; printf(%d %d %d n, bit.bit1, bit.bit3, bit.bit4); } Given the code segment and storage assignments showns below, list the output exactly as it will appear on the screen. int ix[] = {0, 1, 2}, *pi; print(%d %d, (int) ix, (int) (ix + 1));

Explanation / Answer

//Answering first question as per the Chegg policy. Please ask each question separately.

Problem 16:

Option 1: Is wrong

Because it opens the file in read mode

fopen("output.txt", "r"); // r means read mode.

So this code can't create a file.

Option 2: Is also wrong

Although it opens the file correctly in write mode

fopen("output.txt", "w"); // w means read mode.

But it uses the fprintf method incorrectly. The first argument in fprintf () method is file pointer which is missing. So it will not compile.

Option 3: Is the Right Answer.

Assuming the value of x = 1, y = 2 and str = abc.

It correctly opens the file in write mode.

It uses the fprintf correctly by passing the file pointer in first argument.

So it will create the file containing expected data.

Option 4: is wrong.

It opens the file correctly in write mode.

But in fprintf instead of file pointer it is passing stdout. So this will result in printing the output on (console)screen instead of writing it to output.txt file.

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