WorksheetsICT Year 11 - 40 Questions - REVISION for exam!
Total questions: 40
Worksheet time: 20mins
What is blockchain technology?
Centralised control
Decentralised trust (entity)
Exclusive ownership
Peer to Peer communication
In a centralised system, who typically holds control over the network?
Network participants
Government authorities
Decentralized nodes
Miners
What does a ledger in the context of blockchain refer to?
A decentralised database
A government document
A private communication channel
A centralised server
What does the term "immutable" mean in the context of blockchain records?
Records that can be easily changed
Records that cannot be altered or tampered with
Records with centralised control
Records with dynamic content
What characteristic of blockchain enhances trust in its data?
Dynamic records
Centralised control
Immutable records
Private ledger
What is the first block in a blockchain called?
Genesis block
Prime block
Alpha block
Inception block
What is the role of miners in a blockchain network?
Record-keeping
Block verification
Centralised control
Ledger maintenance
In blockchain, what does a hash function do?
Secures private keys
Converts data into a fixed-size string of characters
Manages blockchain consensus
Controls mining operations
What are the main components of a block in a blockchain?
Miners and transactions
Hash, data, hash of previous block
Private key and public key
Centralised ledger and decentralised nodes
What can be included in the data section of a block?
Transaction details
Smart contract code
Digital signatures
All of the above
Which of the following is a type of digital currency that utilises a public ledger?
Bitcoin
Cash
Credit cards
Cheques
What is a cryptocurrency?
Physical coins and banknotes
Digital or virtual currency that uses cryptography for security
Government-issued legal tender
In-game currency used for virtual transactions
How is cryptocurrency decentralised?
Controlled by a central government
Regulated by financial institutions
Not controlled by a government or financial institution
Operates exclusively in virtual worlds
What is FIAT currency?
Virtual currency used in online games
Digital currency regulated by governments
Currency issued by a government and considered legal tender
Cryptocurrency with decentralised control
How is the value of FIAT currency regulated?
By virtual worlds or online games
By financial institutions
By cryptography
By the issuing government
Which of the following is an example of cryptocurrency?
World of Warcraft gold
Euro
Bitcoin
Monopoly money
What is the primary purpose of cryptography in cryptocurrencies?
Creating legal regulations
Ensuring transferability
Securing transactions
Regulating value
What distinguishes game tokens from cryptocurrencies?
Used in virtual worlds only
Government regulation
Decentralised control
Cryptographic security
What is Artificial Intelligence (AI)?
The simulation of human intelligence by machines
A type of natural language processing
A form of advanced robotics
Which of the following is an example of AI in everyday life?
Microwave
Coffee maker
Siri
What does the Turing test of 1950 (The Imitation Game) assess?
The speed of computers
The intelligence of machines
The accuracy of natural language processing
The efficiency of algorithms
What are Siri, Alexa, and other smart assistants examples of?
Machine learning
Computer vision
Natural language processing
All of the above
The use and development of computer systems that are able to learn and adapt without following explicit instructions, by using algorithms and statistical models to analyse and draw inferences from patterns in data.
Machine Learning
Internet of Things (IoT)
Big Data
Deep Learning
A type of machine learning based on artificial neural networks in which multiple layers of processing are used to extract progressively higher-level features from data.
Deep Learning
Generalisation Learning
Machine Learning
Strong AI
What is Computer Vision?
The ability of computers to understand and interpret visual information
The study of computer hardware
The process of creating virtual realities
Give an example of AI technology used in self-driving cars.
Natural language processing
Computer vision
Big Data analytics
What is the primary distinction between Strong AI and Weak AI?
Strong AI is designed for specific tasks, while Weak AI possesses general intelligence.
Strong AI can perform any intellectual task that a human can, while Weak AI is specialised.
Weak AI has consciousness and self-awareness, while Strong AI lacks these attributes.
Which color model is commonly used for digital displays and web images?
RGB
CMYK
PMS
In the context of printing, which color model is used for creating full-color images?
RGB
CMYK
PMS
What does PMS stand for in the context of color representation?
Primary Mixing System
Pantone Matching System
Pigment Mixing Standard
In which scenario is the PNG file format typically recommended for image saving?
When the image has a complex background and needs transparency
When the image is a photograph with vibrant colors
When the image requires lossy compression for smaller file size
Which file format is suitable for saving images that require scalability without loss of quality?
JPG
PNG
SVG
GIF
Raster graphics are suitable for logos and illustrations, while vector graphics are ideal for detailed photographs. True or False?
True
False
Raster graphics are composed of pixels become jagged and pixelated when resized (resolution dependent), while vector graphics use paths and curves to define shapes, and can be scaled without loss of quality (resolution independent).
True
False
What is a crucial skill set required to become a successful data scientist in the field of AI?
Expertise in programming languages like Python and Mathematics & Statistics.
Proficiency in Graphic Design tools, Mathematics and Artificial Intelligence.
In the data science workflow, what is the main purpose of the training dataset in machine learning?
To evaluate the performance of the model.
To train the model and enable it to learn patterns from the input data.
To test the generalisation capability of the model.
Interpreting complex datasets to make informed business decisions. It is crucial for optimising business processes, uncovering hidden patterns, and gaining actionable insights from large volumes of data.
Data Science
Artificial Intelligence
Deep Learning
What is the primary difference between the CMYK and RGB color models?
CMYK is additive, while RGB is subtractive.
CMYK is subtractive, while RGB is additive.
In which application or industry would you primarily use the Pantone Matching System (PMS)?
Digital displays and web design.
Printing and graphic design - when you precisely need to match a colour.
Photography and photo editing - when you precisely need to match a colour..
In the context of data science, what is the primary definition of "data" and "algorithm"?
Data involves raw facts and figures while algorithm is a set of instructions for processing and analysing data.
Data is the result of a computation while algorithm is the input to a computational process.
