Programming Lecture B

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Author:
randycapped
ID:
246897
Filename:
Programming Lecture B
Updated:
2013-11-14 15:02:43
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Programming Loops
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Hruby B
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  1. RAM (Random Access Memory)
    temporary volatile storage
  2. Persistent Storage
    • Non volatile
    • Long lasting
  3. A computer file is a collection of _______ stored on a _________ device.
    • data
    • nonvolatile
  4. Two types of computer files:
    • Binary
    • Text
  5. File sizes are measured in:
    bytes, kilobytes, megabytes...etc.
  6. 4 characteristics of files include:
    • FileNames
    • Times of Creation and Last Modification
    • Some form of delimiters which separate entries
    • Sizes
  7. Directories and folders are __________ formats for _________ devices.
    • organizational
    • storage
  8. The \\ (double slash) is needed for  _________
    code.
    Java
  9. A combination of the disk drive letter and the complete hierarchy of directories is the _________.
    path
  10. Data hierarchy, in order is:
    • Character
    • Field
    • Record
    • File
  11. Declaring a file reserves space for the file fields, tells the Java ______ what kind of file to expect, tells the the compiler where to find the ______ , and imports any special _______ of __________.
    • compiler
    • file (path)
    • classes
    • objects
  12. A ______ is a group of related classes.
    package
  13. Reading and writing in Java utilizes the _____________  package.
    java.io
  14. BufferedReader and BufferedWriter are _______ in java.io that ________ (add function to) the basic FileReader objects.
    • objects
    • decorate
  15. BufferedReader makes reading and writing more efficient by using ______ of records for each read/write cycle.
    groups
  16. The "try-catch" in java is an ______ ______.
    exception handler
  17. import java.io.*; imports ALL _______ _____ ______.
    • java
    • I/O
    • classes
  18. ___________ files are records stored one after another in some order.
    sequential
  19. _______ _______ are temporary detours in the logic of a program.
    control breaks
  20. With two input files, must determine when both files are at _______.
    eof (end of file)
  21. A _________ file hold relatively permanent data.
    master
  22. A ________ file contains temporary data to be used to update the master file
    transaction
  23. Using a data file, we as programmers do these 5 things to a file:
    • Declare
    • Open
    • Read
    • Write
    • Close
  24. Random access files are indexed by a ______
    VTOC (volume table of contents)
  25. Merging sequential files involves ________ and ________ files.
    • master
    • transaction
  26. An _________ program is one in which the user makes direct requests.
    interactive
  27. _______ processing involves performing the same tasks with many records, one after another.
    Batch
  28. ______-_______ applications require that a record be accessed immediately while a client is waiting - faster processing required.
    real time
  29. Files that can be located in any order are known as _______ ______ files.
    random access
  30. A ________ access file doesn't have to read other non-important records to find it.
    direct

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