Question 1

When used with ofstream objects, operator! is not:

Accepted Answer

A)  Overloaded. 
B)  Used to determine if the open operation succeeded. 
C)  Used to close a file explicitly. 
D)  Used to return a nonzero value if an error occurs. 
A)  Overloaded. 
B)  Used to determine if the open operation succeeded. 
C)  Used to close a file explicitly. 
D)  Used to return a nonzero value if an error occurs. C

Question 2

Which of the following does not have a stream associated with it?

Accepted Answer

A)  cerr. 
B)  cin. 
C)  cout. 
D)  All of the above have streams associated with them. 
A)  cerr. 
B)  cin. 
C)  cout. 
D)  All of the above have streams associated with them. C

Question 3

Which of the following is not a disadvantage of trying to modify a sequential access file?

Accepted Answer

A)  Modifying data can potentially destroy other data. 
B)  It may be necessary to rewrite every record in the file to make a slight change. 
C)  Things that are stored in the same number of "raw data" bytes internally may not take up the same amount of space in a file. 
D)  Overwriting a record with another record of the same size is very difficult. 
A)  Modifying data can potentially destroy other data. 
B)  It may be necessary to rewrite every record in the file to make a slight change. 
C)  Things that are stored in the same number of "raw data" bytes internally may not take up the same amount of space in a file. 
D)  Overwriting a record with another record of the same size is very difficult. D

Question 4

Which of the following will not change the file-position pointer to the same position as the others? Assume a 10-byte file size and a current position at byte # 1.

Accepted Answer

A)  fileObject.seekg 2 ); 
B)  fileObject.seekg 1, ios::cur ); 
C)  fileObject.seekg 2, ios::beg ); 
D)  fileObject.seekg 8, ios::end ); 
A)  fileObject.seekg 2 ); 
B)  fileObject.seekg 1, ios::cur ); 
C)  fileObject.seekg 2, ios::beg ); 
D)  fileObject.seekg 8, ios::end );

Question 5

Select the false statement.

Accepted Answer

A)  All data items can eventually be reduced to a sequence of 0s and 1s. 
B)  A binary digit bit) can store two values simultaneously. 
C)  It is cumbersome to work with data in bit form. 
D)  It is easiest to produce electronic devices that can assume one of two stable states. 
A)  All data items can eventually be reduced to a sequence of 0s and 1s. 
B)  A binary digit bit) can store two values simultaneously. 
C)  It is cumbersome to work with data in bit form. 
D)  It is easiest to produce electronic devices that can assume one of two stable states.

Question 6

Which statement is not true about 0, z , %, * and Q?

Accepted Answer

A)  Each can be represented in terms of 0s and 1s. 
B)  Each is a character. 
C)  Only three of the elements listed are in typical character sets. 
D)  Each can be represented as a byte. 
A)  Each can be represented in terms of 0s and 1s. 
B)  Each is a character. 
C)  Only three of the elements listed are in typical character sets. 
D)  Each can be represented as a byte.

Question 7

Which file open mode would be used to write data only to the end of an existing file?

Accepted Answer

A)  ios::app 
B)  ios::in 
C)  ios::out 
D)  ios::trunc 
A)  ios::app 
B)  ios::in 
C)  ios::out 
D)  ios::trunc

Question 8

Typically, which of the following contains the most data?

Accepted Answer

A)  A database. 
B)  A file. 
C)  A byte. 
D)  A field. 
A)  A database. 
B)  A file. 
C)  A byte. 
D)  A field.

Question 9

In order to perform file processing in C++, which header files must be included?

Accepted Answer

A) , and . B) and . C) and . D) and . A) , and . B) and . C) and . D) and .

Question 10

The data hierarchy, arranged from smallest to largest, is:

Accepted Answer

A)  Bit, byte, record, field, file. 
B)  Byte, bit, field, record, file. 
C)  Bit, byte, field, record, file. 
D)  Byte, bit, field, file, record. 
A)  Bit, byte, record, field, file. 
B)  Byte, bit, field, record, file. 
C)  Bit, byte, field, record, file. 
D)  Byte, bit, field, file, record.

Question 11

Select the false statement.

Accepted Answer

A)  C++ imposes no structure on a file. 
B)  C++ files include information about their structure. 
C)  The programmer must impose a structure on a file. 
D)  C++ files do not understand notions such as "records" and "fields." 
A)  C++ imposes no structure on a file. 
B)  C++ files include information about their structure. 
C)  The programmer must impose a structure on a file. 
D)  C++ files do not understand notions such as "records" and "fields."

Question 12

What is not true about this code segment?
Location = fileObject.tellg);

Accepted Answer

A)  tellg is a member function of fileObject. 
B)  location is a pointer. 
C)  The value of location after the segment executes must be less than or equal to the number of bytes in the file attached to fileObject. 
D)  fileObject is an istream object. 
A)  tellg is a member function of fileObject. 
B)  location is a pointer. 
C)  The value of location after the segment executes must be less than or equal to the number of bytes in the file attached to fileObject. 
D)  fileObject is an istream object.

When used with ofstream objects, operator! is not:

Which of the following does not have a stream associated with it?

Which of the following is not a disadvantage of trying to modify a sequential access file?

Which of the following will not change the file-position pointer to the same position as the others? Assume a 10-byte file size and a current position at byte # 1.

Select the false statement.

Which statement is not true about 0, z , %, * and Q?

Which file open mode would be used to write data only to the end of an existing file?

Typically, which of the following contains the most data?

In order to perform file processing in C++, which header files must be included?

The data hierarchy, arranged from smallest to largest, is:

Select the false statement.

What is not true about this code segment? Location = fileObject.tellg);

Introduction to Computers, the Internet and the World Wide Web

Introduction to C Programming

Control Statements, Part 1

Control Statements, Part 2

Functions and an Introduction to Recursion

Arrays and Vectors

Pointers and Pointer-Based Strings

Classes

Classes: a Deeper Look, Part 2

Operator Overloading; String and Array Objects

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Templates

Stream Inputoutput

Exception Handling

File Processing

Class String and String Stream Processing

Searching and Sorting

Data Structures

Standard Template Library Stl

Bits, Characters, C Strings and Structs

Boost Libraries, Technical Report 1 and C0x

Other Topics

ATM Case Study, Part 1: Object-Oriented Design With the Uml

ATM Case Study, Part 2: Implementing an Object-Oriented Design

Game Programming With Ogre

Filters

Exam 8: Sequential-Access Files

When used with ofstream objects, operator! is not:

Which of the following does not have a stream associated with it?

Which of the following is not a disadvantage of trying to modify a sequential access file?

Which of the following will not change the file-position pointer to the same position as the others? Assume a 10-byte file size and a current position at byte # 1.

Select the false statement.

Which statement is not true about 0, z , %, * and Q?

Which file open mode would be used to write data only to the end of an existing file?

Typically, which of the following contains the most data?

In order to perform file processing in C++, which header files must be included?

The data hierarchy, arranged from smallest to largest, is:

Select the false statement.

What is not true about this code segment? Location = fileObject.tellg);

Introduction to Computers, the Internet and the World Wide Web

Introduction to C Programming

Control Statements, Part 1

Control Statements, Part 2

Functions and an Introduction to Recursion

Arrays and Vectors

Pointers and Pointer-Based Strings

Classes

Classes: a Deeper Look, Part 2

Operator Overloading; String and Array Objects

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Templates

Stream Inputoutput

Exception Handling

File Processing

Class String and String Stream Processing

Searching and Sorting

Data Structures

Standard Template Library Stl

Bits, Characters, C Strings and Structs

Boost Libraries, Technical Report 1 and C0x

Other Topics

ATM Case Study, Part 1: Object-Oriented Design With the Uml

ATM Case Study, Part 2: Implementing an Object-Oriented Design

Game Programming With Ogre

Filters