S4 SET Theory Revision 2

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Across
  1. 2. In a ____ topology, all the devices are connected in a closed-loop circuit, with each device linked to the next.
  2. 3. By switching on devices only when they are needed, automation helps to save electricity, water and gas, thereby increasing energy ____.
  3. 5. RF refers to ____ communication via radio waves.
  4. 7. ____ is also known as ramp control.
  5. 8. ____ control is the ability of the home automation system to switch on or off all the lights, or just those in a particular section of the home, with a single command.
  6. 11. It is a way to make machines or devices (such as lights and switches) work with little or no direct control by a person.
  7. 12. The language used by devices in an automation system is called a ____ standard.
  8. 13. A ______ and privacy system to make sure only residents holding valid access cards can access the lifts and other facilities within the building.
Down
  1. 1. Twisted Pair Cables can minimise the effects of noise or electromagnetic ____.
  2. 4. ____ feature of the automation system helps to show the status of electrical loads on the screen of a tablet or panel.
  3. 6. ____ access means that the home owner can use multiple devices in the home without needing to move around or even be present.
  4. 9. In a ____ topology, the devices are connected to the bus cable by shorter cables called drop lines.
  5. 10. A ____ switch can be programmed to turn on or turn off all the lights in the home.
  6. 14. ____ refers to how a network is physically or logically laid out.