Exam 7: File Handling and Applications
Exam 1: An Overview of Computers and Proramming51 Questions
Exam 2: Elements of High Quality Programs51 Questions
Exam 3: Understanding Structure51 Questions
Exam 4: Making Decisions51 Questions
Exam 5: Looping51 Questions
Exam 6: Arrays51 Questions
Exam 7: File Handling and Applications51 Questions
Exam 8: Advanced Data Handling Techniques51 Questions
Exam 9: Advanced Modularization Techniques51 Questions
Exam 10: Object Oriented Programming51 Questions
Exam 11: More Object Oriented Programming Concepts51 Questions
Exam 12: Event Driven Gui Programming Multithreading and Animation51 Questions
Exam 13: System Modeling With the Uml51 Questions
Exam 14: Using Relational Databases51 Questions
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____ is the more general term for an entity that organizes files.
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(Multiple Choice)
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Correct Answer:
D
When you copy data from RAM into a file on a storage device, you read to the file.
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(True/False)
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Correct Answer:
False
When might programmers use a control break program?
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(Essay)
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Correct Answer:
In particular, programmers use a control break program when a change in the value of a variable initiates special actions or causes special or unusual processing to occur. You usually write control break programs to organize output for programs that handle data records organized logically in groups based on the value in a field. As you read records, you examine the same field in each record; and when you encounter a record that contains a different value from the ones that preceded it, you perform a special action. For example, you might generate a report that lists all company clients in order by state of residence, with a count of clients after each state's client list.
When you ____ a file, it is no longer available to your application.
(Multiple Choice)
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When you write a program that stores a value in a variable, you are using ____ storage.
(Multiple Choice)
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____ applications require that a record be accessed immediately while a client is waiting.
(Multiple Choice)
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How do you merge two alphabetically ordered input files into a new output file when you wish the output file to be in alphabetical order?
(Essay)
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Directories and ____ are organization units on storage devices.
(Multiple Choice)
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The ____ file holds temporary data that is used to update the master file.
(Multiple Choice)
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A database holds groups of files or ____ that together serve the information needs of an organization.
(Multiple Choice)
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List and describe three characteristics that all files have in common.
(Essay)
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____ files involves combining two or more files while maintaining the sequential order.
(Multiple Choice)
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To write a program that produces a report of employees by department number, the records must be grouped by department number before you begin processing.
(True/False)
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When the records in a file are sorted in order from lowest to highest values, the records are in ____ order.
(Multiple Choice)
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A program in which the user makes direct requests is a(n) ____________________ program.
(Short Answer)
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The saved version of a master file is the ____ file; the updated version is the child file.
(Multiple Choice)
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