Which of the following positions the file pointer for a filethat has been opened

Question

Which of the following positions the file pointer for a filethat has been opened for reading and writing? A) Use the size() member function on the file stream to position thefile pointer.
B) Use the seekp(arg) fstream member function with the number ofrecords (counting the first record as 0) as argument to positionthe file pointer.
C) Use the seekp(arg) fstream member function with the number of bytesto the record in question (counting the first byte as 0) asargument to position the file pointer.
D) Use the sizeof operator to determine the number of bytes in thefile stream.
Which of the following is correct for opening a file andattaching it to a file named File.txt? Assume proper file inclusionand proper using directives. A) open(outStream, "File.txt", ios::app)
B) ofstream inStream; onStream.open("File.txt", ios::app);
C) ifstream inStream; inStream.open("File.txt");
D) ifstream inStream("File.txt");
E)ifstream inStream("File.txt", ios::app);

Which of the following positions the file pointer for a filethat has been opened for reading and writing? A) Use the size() member function on the file stream to position thefile pointer.
B) Use the seekp(arg) fstream member function with the number ofrecords (counting the first record as 0) as argument to positionthe file pointer.
C) Use the seekp(arg) fstream member function with the number of bytesto the record in question (counting the first byte as 0) asargument to position the file pointer.
D) Use the sizeof operator to determine the number of bytes in thefile stream.
Which of the following positions the file pointer for a filethat has been opened for reading and writing? Which of the following is correct for opening a file andattaching it to a file named File.txt? Assume proper file inclusionand proper using directives. A) open(outStream, "File.txt", ios::app)
B) ofstream inStream; onStream.open("File.txt", ios::app);
C) ifstream inStream; inStream.open("File.txt");
D) ifstream inStream("File.txt");
E)ifstream inStream("File.txt", ios::app);
Which of the following is correct for opening a file andattaching it to a file named File.txt? Assume proper file inclusionand proper using directives. A) open(outStream, "File.txt", ios::app)
B) ofstream inStream; onStream.open("File.txt", ios::app);
C) ifstream inStream; inStream.open("File.txt");
D) ifstream inStream("File.txt");
E)ifstream inStream("File.txt", ios::app);
Which of the following is correct for opening a file andattaching it to a file named File.txt? Assume proper file inclusionand proper using directives.

Explanation / Answer

Which of the following positions the file pointer for a filethat has been opened for reading and writing? A) Use the size() member function on the file stream to position thefile pointer.
B) Use the seekp(arg) fstream member function with the number ofrecords (counting the first record as 0) as argument to positionthe file pointer.
C) Use the seekp(arg) fstream member function with the number of bytesto the record in question (counting the first byte as 0) asargument to position the filepointer.    seekp sets the writeposition using an offset of bytes,starting at byte 0. seekg setsthe read position using an offset of bytes, also starting at byte0
D) Use the sizeof operator to determine the number of bytes in thefile stream.
Which of the following positions the file pointer for a filethat has been opened for reading and writing? Which of the following is correct for opening a file andattaching it to a file named File.txt? Assume proper file inclusionand proper using directives. A) open(outStream, "File.txt",ios::app)           ios::app is for appending
B) ofstream inStream; onStream.open("File.txt",ios::app);       ios::app is for appending
C) ifstream inStream;inStream.open("File.txt");          this will open it for input
D) ifstream inStream("File.txt");
E) ifstream inStream("File.txt",ios::app);       ios::app is for appending Which of the following is correct for opening a file andattaching it to a file named File.txt? Assume proper file inclusionand proper using directives. A) open(outStream, "File.txt",ios::app)           ios::app is for appending
B) ofstream inStream; onStream.open("File.txt",ios::app);       ios::app is for appending
C) ifstream inStream;inStream.open("File.txt");          this will open it for input
D) ifstream inStream("File.txt");
E) ifstream inStream("File.txt",ios::app);       ios::app is for appending Which of the following is correct for opening a file andattaching it to a file named File.txt? Assume proper file inclusionand proper using directives.

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