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Worksheets01_BLOCK1
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
In the simplest sense, we can say a block is a combination of
a)
Ledger and secret code
b)
Accounting book and cryptography
c)
Ledger and cryptography
d)
All of the above
2.
In the key points in the definition of blockchain are
a)
Digital ledger
b)
Distributed
c)
Decentralized
d)
All of the above.
3.
In the context of block chain, DLT stands for
a)
Distributed Ledger Transaction
b)
Distributed Ledger Ticker
c)
Distributed Ledger Technology
d)
Distributed Ledge Technique
4.
The immutable cryptographic signature is called
a)
Smart Contract
b)
Chain in Blockchain
c)
DLT
d)
Hash
5.
Blockchain are programmable
a)
True
b)
False
6.
In a block of a blockchain we cannot find when it was created.
a)
Absolute correct.
b)
Partial correct , if the user put it in the code it is recorded.
c)
Impossible, all blocks have the timestamp
d)
None of the above.
7.
Stuart Haber and Scott Stornetta, wrote a paper which forms basis for the block chain technology. This paper was titled –
a)
How to Timestamp a digital document
b)
How to create a block chain
c)
How to use combine ledgers and cryptography
d)
None of them.
8.
Satoshi Nakamoto is attributed with the creation of the bitcoin blockchain
a)
True
b)
false
9.
The key components of a block in a block chain are
a)
Data, Hash, Previous Hash
b)
Timestamp, Hash, Data
c)
Digital Fingerprint, Hash , Previous Hash
d)
Transaction details , Hash
10.
Blocks are cryptographically linked together by
a)
Data
b)
Hash
c)
Previous Hash
d)
All of the above
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