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Grade 12 Quizzes, Questions & Answers

Recent Grade 12 Quizzes

VR Game Engine Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What is the primary function of a game engine in VR development?

To manage graphics rendering, physics, input, and game logic in a unified environment

To create 3D models and textures only

To compile code into executable files

To design user interfaces for websites

VR Display Technology Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What is the primary purpose of a VR display's refresh rate?

To increase the brightness of the image

To reduce motion sickness by updating the image multiple times per second

To improve the color accuracy of the display

To decrease the power consumption of the headset

VR Interaction Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What is the primary function of a motion controller in VR?

To track hand position and capture user gestures

To display 3D graphics on the screen

To store virtual environment data

To generate audio for the VR experience

Proof of Work Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What is the primary purpose of Proof of Work in blockchain networks?

To validate transactions and secure the network through computational effort

To store user passwords securely

To increase transaction speed

To eliminate the need for miners

Blockchain Consensus Basics Quiz

Questions: 15 | Attempts: 11 | Last updated: May 1, 2026

Sample Question
What is a consensus mechanism in blockchain?

A method for distributed networks to agree on valid transactions

A type of cryptocurrency wallet

A central authority that validates blocks

A security encryption algorithm

Cryptocurrency Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What is a blockchain?

A centralized database controlled by banks

A distributed ledger of transactions secured by cryptography

A type of cryptocurrency coin

Software used only by governments

Blockchain in Healthcare Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What is blockchain's primary advantage for storing patient medical records?

Decentralized, tamper-proof, and immutable record-keeping

Faster internet speeds for hospitals

Reduced cost of paper filing

Easier password management

Smart Contract Use Cases Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What is a smart contract?

A traditional legal agreement between two parties

Self-executing code on a blockchain that automatically enforces terms when conditions are met

A digital signature used to verify identity

A cryptocurrency wallet for storing tokens

Smart Contract Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What is a smart contract?

A legal document signed by two parties

Self-executing code on a blockchain that automatically enforces agreement terms

A traditional contract stored digitally

A cryptocurrency wallet

Block Structure Basics Quiz

Questions: 15 | Attempts: 10 | Last updated: May 1, 2026

Sample Question
What is a block in a blockchain?

A single transaction record only

A container holding transaction data, timestamp, and hash references

A physical storage device

A type of cryptocurrency wallet

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