Deck 22: Im Saving for the Future Sequential Access Files

Question 1

After declaring a StreamReader variable, you can use the ____ method to open a sequential access file for input, which automatically creates a StreamReader object.

A) ReadText
C) GetText
B) InputText
D) OpenText

Answer 1

D

Question 2

An item of data-such as the string "Yolanda"-is viewed similarly by a human being and a computer.

Answer 2

False

Question 3

The ReadLine method requires you to provide the file's name.

Answer 3

False

Question 4

In Visual Basic, you use a ____ object to write a stream of characters to a sequential access file.

A) StreamReader
C) StreamWriter
B) StreamWriteObject
D) StreamReadWriteObject

Question 5

In most cases, you assign the string returned by the ReadLine method to a String variable.

Question 6

The "doc" filename extension is commonly used when naming sequential access files.

Question 7

When you are writing data to a file, in most cases you will use the Write method.

Question 8

The syntax to close a sequential access file associated with a StreamWriter object is ____.

A) streamWriterVariableName.Close()
B) streamWriterVariableName.FileClose()
C) streamWriterVariableName.CloseFile()
D) Close.streamWriterVariableName(data)

Question 9

Programmers refer to a sequence of characters as a(n) ____.

A) array stream
C) flow
B) bytestream
D) stream of characters

Question 10

After creating the StreamReader object, you declare a variable to store the object in the computer's internal memory.

Question 11

Before you create a StreamWriter object, you first declare a variable to store the object in the computer's internal memory.

Question 12

In most cases, an application will need to read each line of text contained in a sequential access file, one line at a time.

Question 13

Most input and output files are composed of lines of text that are both read and written sequentially.

Question 14

The ReadLine method returns a string that contains the sequence of characters in the current line, including the newline character at the end of the line.

Question 15

Files that are read by the computer are called ____ files.

A) output
C) writeOnly
B) readOnly
D) input

Question 16

In addition to getting data from the keyboard and sending data to the computer screen, an application can also get data from and send data to a file on a disk.

Question 17

The syntax for declaring a streamwriter variable is ____.

A) [Dim | Private] streamWriterVariableName As IO.StreamWriter
B) {Dim | Private} streamWriterVariableName As IO.StreamWriter
C) {Dim | Private} streamWriterVariableName As IO.StreamWriteObject
D) Private streamWriterVariableName As IO.StreamWriter

Question 18

You can use the Exists method to avoid the run time error that occurs when the computer cannot locate the file you want opened for input.

Question 19

Most input and output files are referred to as ____ files.

A) sequential access
C) any access
B) random access
D) serial access

Question 20

Files to which data is written are called ____ files.

A) input
C) writeOnly
B) output
D) readOnly

Question 21

The ____ method returns the Boolean value True if the file exists; otherwise, it returns the Boolean value False.

A) IsThere
C) DoesExist
B) CanFind
D) Exists

Question 22

A ____ is defined as a sequence (stream) of characters followed by the newline character.

A) line
C) column
B) row
D) string

Question 23

The syntax for determining whether a sequential access file exists is ____.

A) IO.Exists(fileName)
C) IO.File.Exists(fileName)
B) IO.(fileName).Exists()
D) IO.File(fileName).Exists

Question 24

The ____ method can be used to read a file's contents, one line at a time.

A) Read
C) ReadInputLine
B) ReadLine
D) ReadInput

Question 25

The syntax of the Peek method is ____.

A) streamReaderVariableName.Peekaboo
B) Peek.streamReaderVariableName
C) streamReaderVariableName.Peek
D) Peek(streamReaderVariableName)