170c C++ need help

 

(TCO 13) Files that are accessed in consecutive order are known as _____. (Points : 3)

       sequential files

 

       random access files

 

       binary files

 

       consecutive files

 

 

Question 2.

2. (TCO 13) In terms of storage and retrieval of data, sequential access files are similar to _____.(Points : 3)

       floppy disks

 

       books

 

       hard disks

 

       cassette tapes

 

 

Question 3.

3. (TCO 13) Once you finish using a file, you should _____ it. (Points : 3)

       exit

 

       append

 

       close

 

       output

 

 

Question 4.

4. (TCO 13) The header file that defines the classes for processing and manipulating files is called the _____. (Points : 3)

       <iostream>

 

       <fstream>

 

       <pstream>

 

       <mstream>

 

 

Question 5.

5. (TCO 13) What do the following statements accomplish? 

ofstream theFile;

theFile.open( myFile.txt , ios::app); (Points : 3)

       Opens myFile in read mode

 

       Opens myFile in append mode

 

       Creates an empty file named myFile

 

       Opens a file in input mode to write to

 

 

Question 6.

6. (TCO 13) Which class is used to read data from a text file? (Points : 3)

       ifstream

 

       readstream

 

       readme

 

       None of the above

 

 

Question 7.

7. (TCO 13) Which of the following functions should be used to determine if a file was successfully opened? (Points : 3)

       is_active

 

       is_open

 

       is_closed

 

       is_ready 

 

 

Question 8.

8. (TCO 13) What is the data hierarchy arranged from smallest to largest? (Points : 3)

       Bit, byte, record, field, file

 

       Byte, bit, field, record, file

 

       Bit, byte, field, record, file

 

       Byte, bit, field, file, record

 

 

Question 9.

9. (TCO 13) To use an input file, the program must include _____. (Points : 3)

       fstream

 

       instream

 

       outstream

 

       filestream

 

 

Question 10.

10. (TCO 13) Which of the following is not true about files? (Points : 3)

       C++ views each file as a sequential stream of bytes.

 

       Files are opened by creating objects of stream classes.

 

       Member functions of stream objects can be applied to file streams.

 

       istream, ostream, and iostream are derived from ifstream, ofstream, and fstream, respectively.

 

 

Question 11.

11. (TCO 13) Explain how the end-of-file method is used when reading data from a sequential file. Provide a C++ code segment that reads data from a text file using a while loop. (Points : 5)