Mdc exam

## Understanding Minerals
A **mineral** is a naturally occurring, inorganic solid with a definite chemical composition and an ordered internal atomic structure. To be classified as a mineral, a substance must typically meet five requirements: it must be naturally occurring, inorganic, solid, have a definite chemical composition, and possess an ordered internal structure (crystalline).
## Key Mineralogical Concepts
### 1. Isomorphism Isomorphism occurs when different minerals have the **same crystal

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economics

Unit 1
Critically Discuss Keynes’ Psychological Law of Consumption and its Implications
Introduction
John Maynard Keynes introduced the Psychological Law of Consumption in his seminal 1936 work, The General Theory of Employment, Interest and Money. This law forms the bedrock of Keynesian macroeconomic analysis, fundamentally shifting the focus of economics away from classical supply-side theories and firmly toward aggregate demand. At its core, the law describes the fundamental relationship between
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mid 2 long

1) Discuss the structure of word and their components.

The structure of a word is studied under morphology, which analyzes how words are formed and organized using smaller meaningful units. A word consists of morphemes, the smallest units of meaning. These morphemes are classified into two main types: free morphemes and bound morphemes. Free morphemes can stand alone as words, such as “book” or “run,” while bound morphemes must attach to other morphemes, such as prefixes and suffixes like

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mid 1 long

1) Provide a detailed description of meaning representation and its need.

Meaning representation in Natural Language Processing (NLP) refers to the process of converting natural language into a formal structure that a machine can understand and reason about. It involves representing the semantics of words, phrases, and sentences using logical forms, semantic networks, frames, or predicate logic. The goal is to capture the intended meaning of a sentence rather than just its syntactic structure.

The

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mid 1

a) What is parsing?
Parsing is the process of analyzing sentence structure using grammar rules to determine syntactic relationships between words.

b) Define an N-gram in language modeling.
An N-gram is a contiguous sequence of N words used to predict next word probabilities in language models.

c) What is difference between cohesion and coherence?
Cohesion refers to grammatical linking of words, while coherence refers to logical and meaningful connection across sentences.

d) Define Smoothing.
Smoothing

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Ritika

## Understanding Media Literacy
**Media literacy** is the ability to access, analyze, evaluate, create, and act using all forms of communication. It is not just about reading text; it involves "reading" the underlying messages in everything from social media posts and television advertisements to news reports and video games.
A media-literate person doesn't just consume content passively. They ask critical questions such as:
 * **Who created this message and why?**
 * **What techniques are being used

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math exam

1) Find tanget theta given sin theta and quadrant its in.   write sin as fraction opp/hyp, find adjacent using pythag theorem, fix sign with quad, tan +opp/adj 

2) solve triangle, law of sines. \frac{a}{\sin A}=\frac{b}{\sin B}=\frac{c}{\sin C}

3) solve the triangle, same law of sines.     4) solve equation for a given interval. solve trig equation, find reference angle, use quad rules to get all solutions, add subtract 360 if needed , keep only answers in the given interval

5) solve equation...

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Legal language and legal writing

*Justice 

*Meaning*: Justice is the ideal of fairness in society. The Preamble aims to secure _Social, Economic and Political Justice_ for all citizens.

*Types*:

- *Social Justice*: No discrimination on caste, religion, gender. Equal status and dignity. _Articles 14-18, 38_.

- *Economic Justice*: Fair wealth distribution, adequate livelihood, no exploitation. _Article 39(b)(c)_.

- *Political Justice*: Equal political rights, one person one vote. _Articles 325, 326_.

*Key Case*: _Kesavananda Bharati

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mlllllllll

1.Explain the Candidate-Elimination algorithm with a suitable example. Describe how the version space is maintained.

The Candidate-Elimination Algorithm is a concept learning method in Machine Learning that identifies all hypotheses consistent with the training data. Instead of finding just one hypothesis, it maintains a version space—the set of all hypotheses that correctly classify the observed examples.

Concept of Version Space:

The version space lies between two boundaries:

S (Specific boundary)

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