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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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Answers
1
A bank network is a type of ___________ network.
Centralised
Decentralised
Distributed
Metropolitan
2
What is proof of work?
It is a mechanism that slows down the creation of new blocks
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 asks the user to input an identification number
3
What is a blockchain?
A distributed ledger that records transactions
A method of selling bitcoin
A seriesof blocks chainedtogether in a line
A centralised ledger
4
What is crypto mining?
The process of verifying and adding new transactions to the blockchain
A network of digital wallets sending and receiving digital assets
The process of mining precious metals to fund crypto project’s development
A phone app where users solve puzzles and receive cryptocurrency as reward
5
A record of anything that has been exchanged with something else is known as:
A Record
A Hash
A Block
A Transaction
6
When Facebook decides which daily news story to place in your feed, it is called:
Classification algorithm
Verified information
An information bubble
Prioritisation feed
7
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
An artificial human brain that is inspired by human reasoning
Simulating the human brain and give us an insight into how the brain works
Sys behaves like human but does not give us insight into how the brain work
8
Transactions on a blockchain cannot be deleted in any way. This is what we mean when we say that a blockchain is:
Distributed
Centralised
Immutable
Decentralised
9
Miners are rewarded for successfully mining:
A Hash
A Bitcoin
A Block
A Chain
10
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.
Blockchain computing
Decentralized computing
Centralized computing
Distributed computing
11
On average, how long does it take to calculate the proof of work for Bitcoin?
10 days
10 hours
10 minutes
10 seconds
12
Which statement best describes a cryptocurrency?
Paper dollars that can only be used for physical transactions
Money that can be stored physically or electronically
Currency that can only be used for cross border remittance
A digital or virtual currency secured by cryptography
13
Each block on a blockchain contains:
One thing – Data
Two things – Data and a Hash
Three things– Data, a Hash and the Hash of the previous block
Three things – Data, a Hash and the Hash of the next block
14
Learning that enables the learner to be able to perform better in situations not previously encountered is known as:
Generalization learning
Performance learning
Artificial learning
Generation learning
15
What is a Hash?
It identifies a user and all of the contents, and it is always unique.
It does not identify a block, but it identifies all of its contents.
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.
16
Reasoning, problem solving, perception and language understanding are all important factors describing:
Artificiality
Intelligence
Machine learning
Robotics
17
Which of the following best describes an expert system?
Sys. employs human knowledge in a computer to solve problems that humans do
A system that employs human knowledge to create complex problems
System employs human to solve problems that ordinarily require computers
System that does not employ human knowledge in a computer to solve problems
18
In data science, what is an algorithm?
A position held by a data scientist
A symbolic fictional narrative
A set of mathematical operations
A type of programming language
19
Which of the following is a FIAT currency?
Ethereum
Euro
Bitcoin
DogeCoin
20
Which one of the following is a correct definition of Strong AI?
An artificial human brain that is inspired by human reasoning
Sys that works like a human but do not give us insight into how the b w
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
21
After 60 years, which of the following aspect of AI have we only just started exploring?
Self-improvement
Language
Randomness and creativity
Measure of problem complexity
22
The process of checking which blocks are valid, and which are not, is known as:
Ethereum
Consensus
Proof of work
Immutability
23
A group of records and transactions is known as:
A Ledger
A Bitcoin
A Cryptocurrency
A Blockchain
24
The first block of a blockchain is known as:
the Genesis block
the Starting block
the Exodus block
the Collins block
25
A blockchain is good at
All of the above
Transparency
Auditing
Authentication
26
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
27
Which of the following are examples of Artificial Intelligence?
All of the above
Natural language processing
Pattern recognition and knowledge management
Machine learningand computer vision
28
What happens if a single block on a blockchain is changed?
Changing a single block will make all following blocks invalid
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 delete the blockchain
29
A data scientist would be expected to know some programming languages. Which one of the following is best to know?
Z
Q
Scratch
Python
