Question 1

Files that store music or images are in ____ format.

Accepted Answer

A)  data 
B)  binary 
C)  text 
D)  information 
A)  data 
B)  binary 
C)  text 
D)  information B

Question 2

The FileStream class has 15 overloaded constructors. What can you tell about the FileStream object named myFile , given the constructor below? 
FileStream myFile = 
new FileStream("SomeText.txt"), FileMode.Create, 
FileAccess.Write);

Accepted Answer

In this example, the filename is "SomeText.txt". Because no path is indicated, the file is assumed to be in the current directory. The mode is Create , which means a new file will be created even if one with the same name already exists. The access is Write , which means you can write data to the file but you cannot read from it.

Question 3

When you produce screen output and accept keyboard input, you use the Console class, which provides access to which three standard streams?

Accepted Answer

* Console.In refers to the standard input stream object, which accepts data from the keyboard. 
* Console.Out refers to the standard output stream object, which allows a program to produce output on the screen. 
* Console.Error refers to the standard error stream object, which allows a program to write error messages to the screen.

Question 4

Sometimes it is necessary to process a sequential text file multiple times from the beginning during a program's execution. After the file is processed the first time, the file pointer is at the end of the file. How can you reread the file at this point?

Accepted Answer

After the file is processed the first ti

Question 5

Most computer users organize their files into ____ or directories.

Accepted Answer

A)  folders 
B)  bins 
C)  buckets 
D)  drawers 
A)  folders 
B)  bins 
C)  buckets 
D)  drawers

Question 6

What is a character?

Accepted Answer

A character is any one of the letters, n

Question 7

A data file is a ____ access file when each record is read in order of its position in the file.

Accepted Answer

A)  sequential 
B)  random 
C)  dynamic 
D)  temporary 
A)  sequential 
B)  random 
C)  dynamic 
D)  temporary

Question 8

What are the disadvantages to writing data to a text file using tokens and delimiters as opposed to writing an entire object to a file at once?

Accepted Answer

Writing to a text file allows you to sto

Question 9

When you store data in a computer file on a persistent storage device, you ____.

Accepted Answer

A)  read from the file 
B)  use an input stream 
C)  write to the file 
D)  erase data from memory 
A)  read from the file 
B)  use an input stream 
C)  write to the file 
D)  erase data from memory

Question 10

The File class is contained in the System.IOFile namespace.

Accepted Answer

A) True 
 B)False

Question 11

Describe some of the methods of the Directory class.

Accepted Answer

The Directory class includes the followi

Question 12

Using a ____ in your programs refers to the bad programming practice of hardcoding numbers (unnamed, literal constants) in code without explanation.

Accepted Answer

A)  constant 
B)  token 
C)  magic number 
D)  character set 
A)  constant 
B)  token 
C)  magic number 
D)  character set

Question 13

Because you can erase data from files, some programmers prefer the term ____ storage to permanent storage.

Accepted Answer

A)  volatile 
B)  temporary 
C)  transit 
D)  persistent 
A)  volatile 
B)  temporary 
C)  transit 
D)  persistent

Question 14

A program that reads from a sequential access data file creates a FileStream object, and then the FileStream object is passed to a StreamReader object's constructor. Once this has been done, the ReadLine() method can be used to retrieve one line at a time from the data file. Show the sequence of instructions that would create the FileStream and StreamReader needed to access a data file, and then read one line from the file.

Accepted Answer

A program that reads from a sequential a

Question 15

Files exist on ____ storage devices, such as hard disks, USB drives, reels of magnetic tape, and optical discs.

Accepted Answer

A)  temporary 
B)  volatile 
C)  soft 
D)  permanent 
A)  temporary 
B)  volatile 
C)  soft 
D)  permanent

Question 16

The terms directory and folder are used synonymously to refer to an entity that is used to organize files.

Accepted Answer

A) True 
 B)False

Question 17

What is a record?

Accepted Answer

Fields are grouped together to form reco

Question 18

Write a program that prompts a user for a filename and tests the file's existence. If the file exists, display the file creation time. If it does not exist, display a message.

Accepted Answer

The program should be similar to the fol

Question 19

____ is the process of converting objects into streams of bytes.

Accepted Answer

A)  Deserialization 
B)  Normalization 
C)  Streaming 
D)  Serialization 
A)  Deserialization 
B)  Normalization 
C)  Streaming 
D)  Serialization

Question 20

A file's ____ holds the byte number of the next byte to be read.

Accepted Answer

A)  token 
B)  file position pointer 
C)  magic number 
D)  record token 
A)  token 
B)  file position pointer 
C)  magic number 
D)  record token

Files that store music or images are in ____ format.

The FileStream class has 15 overloaded constructors. What can you tell about the FileStream object named myFile , given the constructor below? FileStream myFile = new FileStream("SomeText.txt"), FileMode.Create, FileAccess.Write);

When you produce screen output and accept keyboard input, you use the Console class, which provides access to which three standard streams?

Sometimes it is necessary to process a sequential text file multiple times from the beginning during a program's execution. After the file is processed the first time, the file pointer is at the end of the file. How can you reread the file at this point?

Most computer users organize their files into ____ or directories.

What is a character?

A data file is a ____ access file when each record is read in order of its position in the file.

What are the disadvantages to writing data to a text file using tokens and delimiters as opposed to writing an entire object to a file at once?

When you store data in a computer file on a persistent storage device, you ____.

The File class is contained in the System.IOFile namespace.

Describe some of the methods of the Directory class.

Using a ____ in your programs refers to the bad programming practice of hardcoding numbers (unnamed, literal constants) in code without explanation.

Because you can erase data from files, some programmers prefer the term ____ storage to permanent storage.

Files exist on ____ storage devices, such as hard disks, USB drives, reels of magnetic tape, and optical discs.

The terms directory and folder are used synonymously to refer to an entity that is used to organize files.

What is a record?

Write a program that prompts a user for a filename and tests the file's existence. If the file exists, display the file creation time. If it does not exist, display a message.

____ is the process of converting objects into streams of bytes.

A file's ____ holds the byte number of the next byte to be read.

A First Program Using C

Using Data

Using Gui Objects and the Visual Studio Ide

Making Decisions

Looping

Using Arrays

Using Methods

Advanced Method Concepts

Using Classes and Objects

Introduction to Inheritance

Exception Handling

Using Controls

Handling Events

Filters

Exam 14: Files and Streams

Files that store music or images are in ____ format.

The FileStream class has 15 overloaded constructors. What can you tell about the FileStream object named myFile , given the constructor below? FileStream myFile = new FileStream("SomeText.txt"), FileMode.Create, FileAccess.Write);

When you produce screen output and accept keyboard input, you use the Console class, which provides access to which three standard streams?

Sometimes it is necessary to process a sequential text file multiple times from the beginning during a program's execution. After the file is processed the first time, the file pointer is at the end of the file. How can you reread the file at this point?

Most computer users organize their files into ____ or directories.

What is a character?

A data file is a ____ access file when each record is read in order of its position in the file.

What are the disadvantages to writing data to a text file using tokens and delimiters as opposed to writing an entire object to a file at once?

When you store data in a computer file on a persistent storage device, you ____.

The File class is contained in the System.IOFile namespace.

Describe some of the methods of the Directory class.

Using a ____ in your programs refers to the bad programming practice of hardcoding numbers (unnamed, literal constants) in code without explanation.

Because you can erase data from files, some programmers prefer the term ____ storage to permanent storage.

Files exist on ____ storage devices, such as hard disks, USB drives, reels of magnetic tape, and optical discs.

The terms directory and folder are used synonymously to refer to an entity that is used to organize files.

What is a record?

Write a program that prompts a user for a filename and tests the file's existence. If the file exists, display the file creation time. If it does not exist, display a message.

____ is the process of converting objects into streams of bytes.

A file's ____ holds the byte number of the next byte to be read.

A First Program Using C

Using Data

Using Gui Objects and the Visual Studio Ide

Making Decisions

Looping

Using Arrays

Using Methods

Advanced Method Concepts

Using Classes and Objects

Introduction to Inheritance

Exception Handling

Using Controls

Handling Events

Filters