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Homework answers / question archive / Rutgers University ACCOUNTING 485 Chapter 3: 1)According to the Semantic Modeling principle, data in an AIS should model:   Multiple fields serving to identify a records uniquely are called a:   Reference files may be accessed during:   A                            file is necessary for batch processing but not for real-time update   ASCII:   To be meaningful to decision makers data need NOT be:   Check digits:   In a                         coding scheme, the code used is memorable or suggestive of the item   Real-time updating is not practical in conjunction with:   Fields in                                        format have variable lengths

Rutgers University ACCOUNTING 485 Chapter 3: 1)According to the Semantic Modeling principle, data in an AIS should model:   Multiple fields serving to identify a records uniquely are called a:   Reference files may be accessed during:   A                            file is necessary for batch processing but not for real-time update   ASCII:   To be meaningful to decision makers data need NOT be:   Check digits:   In a                         coding scheme, the code used is memorable or suggestive of the item   Real-time updating is not practical in conjunction with:   Fields in                                        format have variable lengths

Accounting

Rutgers University

ACCOUNTING 485

Chapter 3:

1)According to the Semantic Modeling principle, data in an AIS should model:

 

  1. Multiple fields serving to identify a records uniquely are called a:

 

  1. Reference files may be accessed during:

 

  1. A                            file is necessary for batch processing but not for real-time update

 

  1. ASCII:

 

  1. To be meaningful to decision makers data need NOT be:

 

  1. Check digits:

 

  1. In a                         coding scheme, the code used is memorable or suggestive of the item

 

  1. Real-time updating is not practical in conjunction with:

 

  1. Fields in                                        format have variable lengths.

 

  1. According to the general systems model, physical systems must include all of the following except

 

  1. Primary keys must be

 

  1. In the Data Hierarchy, a group of related                                                                   about an individual makes up a record

 

  1. Master files are updated during

 

  1. When records are to be retrieved singly

 

  1. A coding system in which certain ranges of numbers are reserved for each category of the item being coded is called a                                                                                                                                     coding scheme

 

  1. A coding system in which individual digits or groups of digits have meaning is called a coding scheme

 

  1. When records are to be stored:

 

  1. Loosening connections between subsystems is called:

 

 

 

  1. In the Data Hierarchy, a group of                                                         makes up a

                            :

 

  1. Gross pay for employees would be calculated during :

 

  1. In general, most numbers stored in                                                                        format take up less space than if they were stored in                                                                                  format

 

  1. Multiple alternative unique identifiers are called:

 

  1. A file may have multiple                                        keys but only a single                                         

 

  1. Validating and sorting the data file are steps performed during the stage in the data processing cycle

 

 

  1. files are relatively permanent, while                                             files are

 

relatively temporary:

 

 

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