How sensors and microprocessor are used to control the central heating systems 1) one which uses an oil burner as the source of heat 2) one which uses electric radiators that are switched on and off by the microprocessor. d

As computers and other digital devices have become essential to business and commerce, they have also increasingly become a target for attacks. in order for a company or an individual to use a computing device with confidence, they must first be assured that the device is not compromised in any way and that all communications will be secure