In accounting systems, certain controls are needed to ensure that employees are doing their jobs properly and ensure that the system runs properly. These checks are in the best interest of the organization. These controls come in the form of internal and external controls for the system. The internal controls are the checks that are placed in the system my the company's own management and directors. Today more and more companies are moving from the manual accounting systems to computerized accounting information systems. The advantages of a computerized system are increases in the speed and accuracy of processing accounting information.

However, as systems become computerized, the internal controls for that system has to be adapted accordingly. This is because computerized systems bring with them certain unique problems that can only be removed or minimized by adapting the present controls and adding new controls. These problems are

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