Exam 18: Files and Streams

Another way that a class could indicate to the CLR that objects of the class can be serialized is through implementing the ________ interface.

A _____________ contains the byte number of the next byte in a file to be read or written to a file.

The smallest data item in a computer is the _________.

In a ____________ file,records are typically stored in order by a record-key field.

BinaryFormatter's Serialize and Deserialize methods are both parameterless.

Visual Basic views every file simply as a sequential stream of bytes.

Class Directory can be used to change directories.

A record is a group of fields and a file is a group of records.

The enumeration FileAccess is used to ________.

An array is always serializable.

Method GetFiles of Directory can be used to obtain a list of all the files in a given directory.

A StreamReader object must be created in order to retrieve data from a text file.

When a FileStream object is opened,the file-position pointer is _________.

The classes dealing with files and directories are located in the System.IO namespace.

Data stored in arrays is permanent data.

One byte is composed of:

The name of the file to open is specified as the first argument to the FileStream constructor.

To distinguish records,there has to be at least one field that is unique for each instance;this is called the record key.

Visual Basic provides the class _______ for manipulating files.

Which of the following methods of FileStream will reset the file-position pointer back to the beginning of the file?