![]() ![]() New staff and old staff work for the same job. The practical example of parallel running in human resource management is job placement. Examples of parallel running implementation This involves inputting or changing the same data for both systems to ensure the information are identical in both systems. This will slow production in a firm as workers need to do twice their normal workload for a period of time in order to achieve the same goal for both systems. Parallel running implementation also requires a lot of time and needs frequent maintenance. This would be prohibitive with a large and complex system. ![]() It is a great expense in terms of electricity and operation costs. The cost of implementation is very expensive because of the need to operate the two systems at the same time. This also allows training of staff and help them to gain confidence in the new system. If errors are found, user can refer to the old system to resolve the problem and make modifications to the new system thus operation can continue under the old system while the problems are sorted out. Parallel running allows results to be compared to ensure that the new system is working without any errors. Data needs to be input manually and this may take a long time. If changing from a manual system to computerized system, the main problem is inputting the data. If both old and new systems are computerized, the input data can be held on a disk or tape and run concurrently on both systems. ![]() If the new system is accepted, the existing system will stop running and will be replaced by the new one. This will compare their output and prove the reliability of the new system. Both input the same data and perform the same processes. This should be long enough to ensure that all aspects of the new system has been confirmed that it can work properly. So, it depends on the requirement of the organisation to choose which implementation strategy they want to apply.ĭuring changeover, a new system and an existing system run side by side for an agreed period of time. All of the implementation strategies come with their own advantages and disadvantages. There are also other possible strategies that can be used for implementation of the new system. Parallel running is different from the term parallel processing. To implement the new system, a parallel running strategy can be applied in which the new system is run alongside the old system for a specified time.
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