4396: Which of the following pairs of substances can be completely separated by sublimation ?
(a) Sand and iodine
(b) Ammonium chloride and iodine
(c) Sand and sulphur
(d) Salt and sulphur
4397: "The king was freed from his people and they from their king". On whose death did Badauni comment thus ?
(a) Balban
(b) Ala-ud-din Khalji
(c) Muhammad-bin-Tughlak
(d) Feroze Shah Tughlak
4398: Which country is known as the "Land of the Morning Calm"
(a) Japan
(b) Korea
(c) Taiwan
(d) Netherlands
4399: The Function of heavy water in a nuclear reactor is to
(a) Stop the nuclear reaction
(b) Slow down the speed of neutrons
(c) Cool down the reactor
(d) Increase the speed of neutrons
4400: When the alarm of your smartphone rings in the morning, you wake up and tap it to stop the alarm which causes your geyser to be switched on automatically. The smart mirror in your bathroom shows the day's weather and also indicates the level of water in your overhead tank. After you take some groceries from your refrigerator for making breakfast, it recognises the shortage of stock in it and places an order for the supply of fresh grocery items. When you step out of your house and lock the door, all lights, fans, geysers and AC machines get switched off automatically. On your way to office, your car warns you about traffic congestion ahead and suggests an alternative route, and if you are late for a meeting, it sends a- message to your office accordingly.
In the context of emerging communication technologies, which one of the following term" best applies to the above scenario?
(a) Border Gateway Protocol
(b) Internet of Things
(c) Internet Protocol
(d) Virtual Private Network