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Exam 7: File Handling and Applications

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Question 21

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What happens when you fail to close an output file?

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If you fail to close an output file (a f...

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Question 22

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A ____ is a collection of data stored on a nonvolatile device in a computer system.

A) computer message
B) computer interface
C) computer file
D) computer selector

E) B) and C)
F) A) and C)

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Question 23

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A ____ is a copy that is kept in case values need to be restored to their original state.

Define and give examples of text files and binary files.

____ storage is not lost when a computer loses power.

Programmers usually use the word "write" to mean "produce hard copy output."

The terms "parent" and "child" can refer to file backup generations, but they are also used for a different purpose in object-oriented programming.

What is a database?

When businesses store data items on computer systems, they are often stored in a framework called the data ____________________ that describes the relationships between data components.

Match each term with a statement below.

To generate a control break report, your input records must be organized in ____ order based on the field that will cause the breaks.

The combination of the disk drive plus the complete hierarchy of directories in which a file resides is its ____.

Explain the difference in how programmers use the words print , write , and display .

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

A(n) ____________________ file holds more temporary data than a master file.

____ are groups of fields that go together for some logical reason.

When a program uses a ____, it reads all the records in the file from beginning to end, processing them one at a time.

Because they enable you to locate a particular record directly (without reading all of the preceding records) , random access files are also called ____ files.

The keyboard and printer are the default input and output devices.

Files in which records must be accessed immediately are sometimes called instant access files.