| 摘要 |
PROBLEM TO BE SOLVED: To provide a computer, a program and a computer system capable of easily and quickly switching between an operation screen for regular processing and operation screen for commodity sales processing so as to greatly improve processing efficiency.SOLUTION: Following the start of an operation system, an application program for commodity sales processing is started and a first desktop screen for regular processing of the computer is displayed together with a fist pattern for screen switching specification. When the first pattern displayed is operated, a second desktop screen for commodity sales processing by the started application program is displayed with a second pattern for screen switching specification by switching from the first desktop screen and the first pattern. When the second pattern displayed is operated, the first desktop screen and the first pattern are displayed by switching from the second desktop screen and the second pattern. |
