1. Explain batch transaction processing and OLTP. Describe the advantages and disadvantages of both modes of processing.(a)General risks (threats) to transaction processing include:
   1. Data errors in input transactions,
   2. Errors in transaction processing,
   3. Failure to process all input transactions, and
   4. Loss or destruction of files and tables updated by transaction processing.

For each of the general risks listed above explain IT controls covered in the case that can reduce the risk (1) when using OLTP and (2) when using batch transaction processing.