Accounting 361 Exam 2

Accounting 361 Exam 2 - Accounting 361-Exam 2...

Info icon This preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Accounting 361—Exam 2 COMPUTER-BASED AIS Ch. 1 (20-31) *Centralized data processing—all data processing is performed by one or more large computers housed at a central site that serve users throughout the organization -data administration: headed by the database administrator is responsible for the security and integrity of the database -data processing: the data processing group manages the computer resources used to perform the day-to-day processing of transactions. -functions include—data control, data conversion, computer operations, and data library -usually automated -systems development and maintenance: the systems maintenance group assumes responsibility for keeping it current with users needs -80-90 percent of the systems cost throughout its life -participants in system development include system professionals, end users, and stakeholders -need to carefully analyze what is best for your company—cost and operational feasibility Information systems models: -manual process model -flat-file systems -database approach -REA -Manual process model -oldest, most traditional form of accounting systems -consists of physical events, resources, and personnel that characterize many business processes -tasks such as order-taking, warehouse materials, manufacturing goods for sale, shipping goods to customers, and placing orders with vendors -physical task of record keeping -manual records are never used in practice today -it does help us understand where everything is coming from and helps us understand internal control activities -Flat-file model (‘Stovepipped’ or ‘silos’ systems) -another traditional system
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
-associated with legacy systems (large mainframe systems) -will be replaced by database systems -flat-file model describes an environment in which individual data files are not related to other files -stand alone applications -a lot of data redundancy—same data is stored in multiple places of the system -problems: data storage, data updating, and currency of information -data cannot flow seamlessly from one module to the next—limits data integration -updates will have to be entered into all parts of the system -creates excessive storage costs -‘task data dependency’—users may not be able to obtain data they need to make a decision In class notes we focus on database model and REA model *The Database Model -an organization can use a database model to overcome problems of the silo system -organizational data is centralized into a common database that is shared by other users -with the organization’s data in a central location, all users have access to the data they need to achieve their respective objectives -access to the data resource is controlled by a database management system (DBMS) -DBMS is a special software system that is programmed to know which data elements each user is authorized to access -the organization’s procedures for assigning user authority are an important control issue for auditors to consider Problems that are overcome using a database model:
Image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern