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WorksheetsBlock chain
Total questions: 35
Worksheet time: 27mins
What is a continuously growing list of records which are linked and secured using cryptography?
a chain
a block
a blockchain
a cryptocurrency
Which of the following is popularly used for storing bitcoins?
wallet
box
stack
What does the block in the blockchain consist of?
Transaction data
A Hash point
A Timestamp
all of these
All blocks contain a link to the previous block, except for:
Block number 24601.
First block
thethird block
The second block.
This person invented Bitcoin.
Donald Trump
Sung Sam
Satoshi Nakamoto
Elon Musk
Which is the Safest ledger?
Centralized Ledger
Decentralized Ledger
Distributed Ledger
Genral Ledger
How long does it take to mine a bitcoin?
100 Minutes
1200 Minutes
10 Minutes
1/10th of a hour
How long does it take to mine a bitcoin?
100 Minutes
1200 Minutes
10 Minutes
1/10th of a hour
"New bitcoins are generated by a competitive and decentralized process called "mining"." (Just for Information you can write whatever you want in the box you will get it right!)
What role has nanotechnology played in the healthcare field?
Can be used to make microscopic surgical tools
Can be used to make molecules
Obtains medical information using radio frequency identification
All the above
This material is around 200 times stronger than steel, conducts heat and electricity and is nearly transparent
Graphene
Bioplastic
Aerogel
Fullerene
The term for computers being embedded into almost anything and spontaneously communicating with humans
Nanotechnology
Telepresence
Ubiquitous Computing
Blockchain
Which route has just received government approval for the construction of the first hyperloop system
Los Angeles - San Francisco
Washington DC - New York
Paris - London
Mumbai - Pune
Facial recognition technology has been used in all of these areas except:
Police surveillance
Customising supermarket specials
Automatic tagging on social media
Unlocking a car
Which technology enables the existence of cryptocurrency:
Digital Wallet
Crypto Mining
Ethereum
Blockchain
What does FOSS stand for?
Full Option Sensor System
Follow-on Support Service
Free and Open-Source Software
Fibre Optics Stability System
What is the IIoT?
Internet Internet of things
Internal Internet of things
Industrial Internet of things
Intelligent Internet of things
Which of the following is not true about Block Chain Technology Solutions?
Block chain is originally a growing list of records
Blocks are linked using cryptography
Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data
Block chain is not resistant to modification of the data.
What is the name of the IBM computer that eventually controversially beat chess genius Gary Kasparov
Deep Blue
The Summit
Titan 1
Enigma
What is the test, named after a well known computer scientist, that determines whether a machine exhibits sufficient intelligence to be indistinguishable from a human
The Benson Test
The Turing Test
The Enigma Test
The Epsy Test
Which of these are not part of Isaac Asimov's "Three Laws of Robotics"
A robot may not injure a human being or, through inaction, allow a human being to come to harm
A robot must obey the orders given it by human beings except where such orders would conflict with the First Law
A robot must not deceive a human
A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws
What is the meaning of "Crypto"?
Something that is hidden or concealed.
A type of grave where someone is buried.
Software
Hardware
What is a bitcoin?
Programming Language
England's Currency
A Digital Currency
None of the Above
As of February 12, 2020 a bitcoin is worth?
10,400 USD
323,000 THB
9,500 EURO
All of the Above
What is the definition of a cryptocurrency?
Paper Money
A Digital Asset
Coins
None of the Above
What happens to your money during a period of "inflation"?
A unit of currency buys more than it did in prior periods
A unit of currency buys less than it did in prior periods
What happens to your money during a period of "deflation"?
Deflation increases the value of currency over time.
Deflation decreases the value of currency over time.
Which are true about currency?
Thai Baht is the "currency" in Thailand.
Currency can be exchanged between countries.
System of money in general use in a particular country.
None of the Above
What is the definition of "FIAT"?
Bitcoins
Cyrptocurrency
Government-issued currency, such as the US dollar.
None of the Above
The "blockchain" is data that copied across thousands and thousands of computers worldwide
True
False
How are "bitcoins" produced?
Governments supporting the "bitcoin" currency
Computers using their processing power to facilitate and store transactions.
Mines in the ground
All of the Above
Bill Gates has commented on Bitcoin and said, "“Bitcoin is better than currency”.
True
False
Look up the definition of "pseudonym". What is the meaning?
a fictitious name
a bitcoin
a country
a food
