Giving reasons for your answer, suggest an appropriate control model for the following systems: ■ A batch processing system that takes information about hours worked and pay rates and prints salary...

Giving reasons for your answer, suggest an appropriate control model for the following systems:

■ A batch processing system that takes information about hours worked and pay rates and prints salary slips and bank credit transfer information

 ■ A set of software tools that are produced by different vendors, but which must work together

■ A television controller that responds to signals from a remote control unit.