With reference to ‘Bitcoins’, sometimes seen in the news, which of the following statements
is/are correct?
1. Bitcoins are tracked by the Central Banks of the countries.
2. Anyone with a Bitcoin address can send and receive Bitcoins from anyone else with a Bitcoin
address.
3. Online payments can be sent without either side knowing the identity of the other.
Select the correct answer using the code given below.
Prelims
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Science and Technology › Blockchain,Cryptocurrency
Science and Technology › Blockchain,Cryptocurrency
Options
Answer
(B)
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Science and Technology › Defence
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Science and Technology › Emerging TechXCommunication
Science and Technology › Emerging TechXCommunication
With reference to ‘LiFi’, recently in the news, which of the following statements is/are
correct?
1. It uses light as the medium for high-speed data transmission.
2. It is a wireless technology and is several times faster than ‘WiFi’.
Select the correct answer using the code given below.Options
Answer
(C)
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Science and Technology › Genetics,Biotechnology
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Science and Technology › Space ProgramsXIND
Science and Technology › Space ProgramsXIND
With reference to ‘Astrosat’,’ the astronomical observatory launched by India, which of the
following statements is/are correct?
1. Other than USA and Russia, India is the only country to have launched a similar observatory
into space.
2. Astrosat is a 2000 kg satellite placed in an orbit at 1650 km above the surface of the Earth.
Select the correct answer using the code given below.Options
Answer
(D)
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Science and Technology › Space ProgramsXIND
Consider the following statements: The Mangalyaan launched by ISRO
1. is also called the Mars Orbiter Mission
2. made India the second country to have a spacecraft orbit the Mars after USA 3. made India the only country to be successful in making its spacecraft orbit the Mars in its
very first attempt
Which of the statements given above is/are correct?Options
Answer
(C)
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Science and Technology › Space ProgramsXIntl
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Other questions