Which of the following opens the file associated with the stream?Select one:Fopen;None of thesefopen();open();

Which of the following mode of fopen() function opens a file only for writing. If a file with that name does not exist, attempts to create a new file. If the file exist, place the file pointer at the end of the file after all other data.Select one:a.Wb.Wc.Ad.A+

The following statement declares a StreamReader object called “reader”. Which statement opens a file named “data.txt” to the StreamReader object?streamReader reader;Question 1Select one:a.reader = OpenFile("data.txt");b.reader = open("data.txt");c.reader = File.OpenText("Data.txt");d.reader = File.OpenFile("Data.txt");Clear my choiceQuestion 2Not yet answeredMarked out of 1Flag questionTipsQuestion textAssuming openFile is the name of an OpenFileDialog control, which expression can call the ShowDialog method and determine whether the user clicks the Open button?Question 2Select one:a.if (openFile.ShowDialog() == true)b.if (openFile.ShowDialog() == DialogResult.Open)c.if (openFile.ShowDialog() == DialogResult.OK)d.if (openFile.ShowDialog() == OK)Clear my choiceQuestion 3Not yet answeredMarked out of 1Flag questionTipsQuestion textWhich statement will write a persons firstname and surname to a textfile on one line? (Assume that the StreamWriter variable writer has been declared and has access to the file and that the variables firstname and surname have been declared and have values in them).Question 3Select one:a.writer(firstname + " " + surname);b.writer = WriteLine (firstname + " " + surname);c.writer.WriteLine(firstname + " " + surname);d.writer.WriteLine(firstname , " " , surname);Clear my choiceQuestion 4Not yet answeredMarked out of 1Flag questionTipsQuestion textWhich statement will correctly read an integer value from a text file?  (Assume that the StreamReader object reader has been declared and has access to the file and the integer variable number has been declared.  Assume that there is one integer value per line in the file).Question 4Select one:a.number = reader.ReadLine();b.number = reader.ReadLine().Parse();c.number = int.Parse(reader.ReadLine());d.number = (int) reader.ReadLine();Clear my choiceQuestion 5Not yet answeredMarked out of 1Flag questionTipsQuestion textWhich statement will correctly read a line of text from a text file?  (Assume that the StreamReader object reader has been declared and has access to the file and the string variable line has been declared).Question 5Select one:a.line = reader.ReadLine();b.reader = ReadLine();c.reader.ReadLine();d.line = reader.Rea

Which of the following is not a file opening mode_________________?

Each of the following programs opens a file for reading and returns the first line. Which of the two properly closes the file?# Program A:1# Program A2def get_status(file):3  return open(file).readline()# Program B:1# Program B2def get_status(file):3  with open(file) as fp:4    return fp.readline() Program B is safer as it always closes the file on return. Program A is safer as the file close happens implicitly when the temporary file object goes out of scope.Both are identical and correct. Both are incorrect as there is no explicit close anywhere.

What does the open() function return for file operations? a. File mode b. File object c. File name d. None of these