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Grade 12 Quizzes, Questions & Answers

Recent Grade 12 Quizzes

Rule Based Translation Basics Quiz

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

Sample Question
In rule-based machine translation, what is the primary role of morphological analysis?

Identifying individual word forms and breaking them into roots and affixes

Translating entire sentences without word-by-word processing

Creating neural networks for language learning

Removing duplicate translations from output

Opinion Mining Basics Quiz

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

Sample Question
What is sentiment analysis primarily used to detect?

Grammar and spelling errors

Emotions and opinions in text

Language origin and dialect

Sentence length and complexity

Tokenization Basics Quiz

Questions: 15 | Attempts: 12 | Last updated: May 1, 2026

Sample Question
What is a token in text processing?

A single word or meaningful unit of text

A punctuation mark only

An entire paragraph

A repeated letter sequence

Recurrent Neural Network Basics Quiz

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

Sample Question
What is the primary advantage of recurrent neural networks over feedforward networks?

They can process sequential data with memory of previous inputs

They are always faster to train

They require fewer parameters

They eliminate the need for activation functions

Neural Network Activation Basics Quiz

Questions: 15 | Attempts: 12 | Last updated: May 1, 2026

Sample Question
What is the primary purpose of an activation function in a neural network?

To normalize the input data

To introduce non-linearity into the network

To reduce the number of parameters

To speed up training

Perceptron Basics Quiz

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

Sample Question
What is the primary purpose of a perceptron in machine learning?

To classify data into two categories using a linear decision boundary

To perform unsupervised clustering of random data points

To generate new synthetic data from existing datasets

To reduce the dimensionality of high-dimensional inputs

Feature Selection Basics Quiz

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

Sample Question
What is the primary goal of feature selection in machine learning?

To increase the number of variables in a model

To identify and use only the most relevant features for prediction

To make all features have equal importance

To eliminate all categorical variables

Confusion Matrix Basics Quiz

Questions: 15 | Attempts: 12 | Last updated: May 1, 2026

Sample Question
In a confusion matrix, what does the term 'True Positive' (TP) represent?

Model correctly predicted positive when actual was positive

Model incorrectly predicted positive when actual was negative

Model correctly predicted negative when actual was negative

Model incorrectly predicted negative when actual was positive

Semantic Network Basics Quiz

Questions: 15 | Attempts: 21 | Last updated: May 1, 2026

Sample Question
What is a semantic network?

A graph structure using nodes and labeled links to represent knowledge

A computer network that stores only text data

A database system for organizing files

A visual representation of the internet

Difference Between Narrow and General AI Quiz

Questions: 15 | Attempts: 27 | Last updated: May 1, 2026

Sample Question
What is narrow AI, also known as weak AI?

AI designed to perform one specific task or a narrow range of tasks

AI that has achieved human-level intelligence

AI that can think creatively like humans

AI that operates only on narrow computer processors

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