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ICT C3 Past Paper 2023 Flashcards | StudBud
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ICT C3 Past Paper 2023
ICT C3 Past Paper 2023
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1
What is crypto mining?
The process of verifying and adding new transactions to the blockchain
A phone app where users solve puzzles and receive cryptocurrency as reward
The process of mining precious metals to fund crypto project’s development
A network of digital wallets sending and receiving digital assets
2
Which one of the following is a correct definition of Weak AI?
A system that is totally computerised and has no connection to a human
Simulating the human brain and give us an insight into how the brain works
An artificial human brain that is inspired by human reasoning
Sys behaves like human but does not give us insight into how the brain work
3
In data science, what is an algorithm?
A symbolic fictional narrative
A position held by a data scientist
A type of programming language
A set of mathematical operations
4
What is proof of work?
It is a mechanism that asks the user to input an identification number
It is a mechanism that speeds the creation of new blocks
It is a mechanism that makes it impossible for new blocks to be created
It is a mechanism that slows down the creation of new blocks
5
Each block on a blockchain contains:
Two things – Data and a Hash
One thing – Data
Three things– Data, a Hash and the Hash of the previous block
Three things – Data, a Hash and the Hash of the next block
6
On average, how long does it take to calculate the proof of work for Bitcoin?
10 days
10 minutes
10 seconds
10 hours
7
Which one of the following is a correct definition of Strong AI?
Sys that works like a human but do not give us insight into how the b w
An artificial human brain that is inspired by human reasoning
Simulating the brain building sys that think gives insight into how the b w
A system that is totally computerised and has no connection to a human
8
After 60 years, which of the following aspect of AI have we only just started exploring?
Randomness and creativity
Measure of problem complexity
Language
Self-improvement
9
Which of the following is a FIAT currency?
Euro
Bitcoin
Ethereum
DogeCoin
10
Which of the following best describes an expert system?
A system that employs human knowledge to create complex problems
System employs human to solve problems that ordinarily require computers
Sys. employs human knowledge in a computer to solve problems that humans do
System that does not employ human knowledge in a computer to solve problems
11
What is a smart contract?
A contractual agreement that is stored on a bank’s server
A printed contract that is stored in a blockchain
A contract that can be saved on a mobile device for ease of access
Code that is stored inside blockchain which encodes contractual agreements
12
When a computer may be too slow to solve a large problem, it can be turned into smaller jobs over a large number of PCs.
Distributed computing
Decentralized computing
Centralized computing
Blockchain computing
13
Miners are rewarded for successfully mining:
A Chain
A Block
A Hash
A Bitcoin
14
Which statement best describes a cryptocurrency?
Currency that can only be used for cross border remittance
Paper dollars that can only be used for physical transactions
A digital or virtual currency secured by cryptography
Money that can be stored physically or electronically
15
The first block of a blockchain is known as:
the Starting block
the Collins block
the Genesis block
the Exodus block
16
A record of anything that has been exchanged with something else is known as:
A Hash
A Transaction
A Block
A Record
17
Reasoning, problem solving, perception and language understanding are all important factors describing:
Artificiality
Intelligence
Machine learning
Robotics
18
A blockchain is good at
Authentication
All of the above
Auditing
Transparency
19
Which of the following are examples of Artificial Intelligence?
All of the above
Natural language processing
Machine learningand computer vision
Pattern recognition and knowledge management
20
What is a Hash?
It identifies a user and all of the contents, and it is always unique.
It identifies a block and all of its contents, and it is not unique.
It identifies a block and all of its contents, and it is always unique.
It does not identify a block, but it identifies all of its contents.
21
Learning that enables the learner to be able to perform better in situations not previously encountered is known as:
Artificial learning
Performance learning
Generation learning
Generalization learning
22
A data scientist would be expected to know some programming languages. Which one of the following is best to know?
Q
Z
Scratch
Python
23
The process of checking which blocks are valid, and which are not, is known as:
Immutability
Proof of work
Consensus
Ethereum
24
A group of records and transactions is known as:
A Bitcoin
A Blockchain
A Ledger
A Cryptocurrency
25
Transactions on a blockchain cannot be deleted in any way. This is what we mean when we say that a blockchain is:
Decentralised
Immutable
Centralised
Distributed
26
A bank network is a type of ___________ network.
Distributed
Metropolitan
Decentralised
Centralised
27
What is a blockchain?
A method of selling bitcoin
A distributed ledger that records transactions
A centralised ledger
A seriesof blocks chainedtogether in a line
28
What happens if a single block on a blockchain is changed?
Changing a single block will make previous blocks invalid
Changing a single block will make no difference to the blockchain
Changing a single block will make all following blocks invalid
Changing a single block will delete the blockchain
29
When Facebook decides which daily news story to place in your feed, it is called:
Prioritisation feed
Verified information
Classification algorithm
An information bubble
