Answer:
Visibility and configuration of security.
Explanation:
The visibility and configuration of security represents a set of features that enables the user to inform himself whether a security feature is in operation or not and whether the use and provision of services should depend on the security feature.
Answer: 1820
Explanation:
I <u>believe</u> the answer is the 1820, as the introduction of steam powered printing presses and steam powered paper mills significantly lowered the cost of books to decrease and significantly increased their circulation/availability.
hope this helps
-lvr
Answer: e) a, b, and c
Explanation: OnStar system is the secondary service that is provided by the General Motor Corporation , who is the parent company of this system.The services like in-vehicle protection, diagnosing issues from distance emergency services, communication services based on subscriptions, turn by turn navigation etc.
Conversation started with OnStar member by vehicle owner is communication service in hands -free way, vehicle sending message to OnStar member after mishap/accident is type of emergency services and OnStar member putting off the gas pedal without the permission of driver of the the vehicle is also a protect service .Thus, all the given options are correct.