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Batch processing enables work to be done simultaniously whilst the workers are able to play football in the courtyard whilst production is taking place. this can occur in the workplace and is highly recommended to anyone who wishes to try this. An example of batch processing is the way that credit card companies process billing. The customer does not receive a bill for each separate credit card purchase but one monthly bill for all of that month's purchases. The bill is created through batch processing, where all of the data are collected and held until the bill is processed as a batch at the end of the billing cycle.
What are the important of electronic data processing and manual data processing? What_are_the_importants_of_electronic_data_processing_and_manual_data_processing
There are different methods of data processing. Some methods are manual data processing, mechanical data processing, online processing, batch processing and electrical data processing.
The main difference is that the ancient computers were people and, brilliant as the human brain is, it is fallible; it makes mistakes. It is also extremely slow (although, at the time, there was no faster method of processing data). Modern data processors are machines and machines don't make mistakes, provided the machines are programmed correctly and the data is input correctly. They are also capable of performing highly repetitive tasks extremely quickly, capable of processing vast amounts of data in a fraction of the time it would take a human.
Actually, If the problem is only for processing n jobs on only one machine, the solution to minimize the average flow time is easy by using SPT method (short processing time). The method goes by assigning the jobs with short processing times first . But the problem becomes more challenging when there are m machines; in this case Johnson algorithm is used which only guarantees the optimality for two machines only . For more than two machines, integer integer programming modes are used.