3871: 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
3872: While delivering the presidential address, the Congress President who advocated the introduction of Roman script for Hindi language was
(a) Mahatma Gandhi
(b) Jawaharlal Nehru
(c) Abul Kalam Azad
(d) Subhas Chandra Bose
3873: Match List I with List II and select the correct answer by using the codes given below the lists :
List I-----------------------------------------List II
(Commodities exported from India)----------- (Countries of destination)
I. Iron-ore----------- (A) Russia
II. Leather goods----------- (B) USA
III. Tea----------- (C) Japan
IV. Cotton fabrics----------- (D) UK
---------------------- (E) Canada
Codes:
(a) I-E, II-A, III-B, IV-C
(b) I-C, II-A. III-D, IV-B
(c) I-A, II-E, III-D, IV-C
(d) I-C, II-D, III-A, IV-B
3874: Who wrote the book "the story of the Integration of the Indian States"?
(a) C.Rajagopalachari
(b) Krishna Menon
(c) V. P. Menon
(d) B. N. Rao
3875: In the given figure, all line segments of the shaded portion are of the same length and at right angles to each other. The same can be cut out of a board of side 10 cm. What is the area of the shaded portion ?
(a) 36 cm2
(b) 48 cm2
(c) 52 cm2
(d) 64 cm2