摘要：Advances in computer technology is growing very rapidly, more and morepopping up the application program (software) that offer greater convenience indoing the job. Many jobs can be done using computers, such calculations -calculations which, if done by human beings have the possibility of large errors.With the application program, the data is processed to produce an information.Accurate information is essential for its users. For computer use in a job that notonly done in the company - only big companies but also small companies thatare developing.
