Question
With reference to “Blockchain Technology”, consider
the following statements: I. It is a form of public ledger which can be viewed but cannot be controlled by any single user. II. The structure and design of blockchain is such that all the data in it are about cryptocurrency only. III. The blockchain is not only about the cryptocurrency but it turns out that blockchain is actually a pretty reliable way of storing data about other types of transactions, as well. Which of the statements given above is/are correct?Solution
Statement I is correct - A blockchain is a form of public ledger, which is a series (or chain) of blocks on which transaction details are recorded and stored on a public database after suitable authentication and verification by the designated network participants. A public ledger can be viewed but cannot be controlled by any single user. Statement II is not correct - In fact, blockchain technology can be used in property exchanges, bank transactions, healthcare, smart contracts, supply chain, and even in voting for a candidate. Statement III is correct - The blockchain is not only about the cryptocurrency but it turns out that blockchain is actually a pretty reliable way of storing data about other types of transactions, as well.
From which of the following words we get a new meaningful word if we add the prefix ‘Un’?
Select the option that is related to the third term in the same way as the second term is related to the first term.
PLOT : KOLG :: FIGS : ?
In the following question, select the related word pair from the given alternatives.
Hunger: Satiety
Select a suitable figure from the Answer Figures that would replace the question mark (?) from question figure.
Select the option in which the numbers are not related in the same way as are the number of the following set.
(10, 23, 40)
‘Insect’ is related to ‘Larva’ in the same way as ‘Pig’ is related to ____.
Canberra : Australia :: Ottawa : ?
If 25 @ 20 = 5 and 28 @ 23 = 14, then 26 @ 21 = ?'. What will come in place of question mark?
There are six members in a family of three generations. D is brother of I. M is sister-in-law of Z. U is mother of Z. M is mother of I. Z has a brother....
Change the question mark with the option that follows the logic applied to the first pair.
Q : H : S : ??
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