Notes, summaries, assignments, exams, and problems for Other courses

Raja Ram Mohan Roy: Father of Modern India

Raja Ram Mohan Roy, known as the Father of Modern India, was the earliest leader of India’s social and intellectual awakening in the 19th century. He fought against major social evils such as:

• Sati
• Child marriage
• Polygamy
• Caste rigidity
• Superstition

He used rational ideas and reinterpretation of ancient texts to drive change. Roy promoted women’s rights, especially widow protection and female education, and strongly supported freedom of speech and the press.

Brahmo Samaj Foundation

In 1828, he founded the Brahmo Samaj, which preached monotheism, rejected idol worship, opposed ritualism, and encouraged moral and spiritual reform. Roy also played an important role in shaping modern education by supporting... Continue reading "Raja Ram Mohan Roy and Lord Bentinck: Social and Administrative Reforms in India" »

Q1. Inheritance in Java (10 Marks)

Inheritance is an important feature of object-oriented programming that allows one class to acquire the properties and methods of another class. The class that gives its features is called the parent class or superclass, and the class that receives them is called the child class or subclass. In Java, inheritance is implemented using the extends keyword.

There are three main types of inheritance in Java:
(1) Single-level inheritance – one parent and one child class.
(2) Multilevel inheritance – one class inherits another, and another class further inherits it.
(3) Hierarchical inheritance – one parent class is inherited by multiple child classes.

Java does not support multiple inheritance using classes to... Continue reading "Core Java Concepts: Inheritance, Polymorphism & OOP" »

Domain Model

• Shows concepts only: classes, attributes, associations, and multiplicities.
• No methods, no UI, and no controllers are included.
• Purpose: To understand the real-world objects involved in the system.

Use Case Model (Module 6)

• Focuses on Actor ↔ System interaction.
• Uses the Verb + Noun naming convention.
• Format: Defines Actor steps versus System steps.
• Use cases serve as input for sequence diagrams, which inform class diagrams.

UML Class Diagram (Module 7)

• Class Components: Name, attributes, and methods.
• Association: Line connecting classes with multiplicity (1, 0..1, *, 1..*).
• Inheritance: Represented by an open triangle arrow symbol.
• Interface: Indicated by the «interface» stereotype.
• DCD (Design Class Diagram): Explicitly includes methods

Speech to Text (STT):

Def: A Speech-To-Text (STT) or Automatic Speech Recognizer (ASR) system transforms a speech recording input into an output text that contains, word by word, what is said in the recording. EJEMPLO: raw audio -> STT -> (we are learning about speech to text)

We can describe the problem as Sequence labelling: This means the computer receives a continuous sequence of data (the audio waves shown in the image) and has to assign discrete "labels" (words or letters) to parts of that sound. 

Sequence-to-Sequence Mapping: This is a more general term. It simply means mapping one type of sequence (audio) to another type of sequence (text).

STT EVALUATION:

STT Systems Make Mistakes so before evaluating, we must accept that these systems... Continue reading "audio2_siaprueb" »

What is a Microcontroller?

A microcontroller (MC, uC, or μC), also known as a microcontroller unit (MCU), is a small computer on a single integrated circuit. A microcontroller contains one or more processor cores along with memory and programmable input/output (I/O) peripherals.

Microprocessor Core Functions

The core directs all operations of the microprocessor:

• Instruction Handling: It fetches instructions from memory, decodes them, and sends signals to other units.
• Role: Think of it as the “manager” of the microprocessor.

Arithmetic and Logic Unit (ALU)

The ALU performs mathematical operations (addition, subtraction, etc.) and logical operations (AND, OR, NOT). It acts as the “calculator” part of the microprocessor.

Registers

Registers are... Continue reading "Understanding Microcontrollers: Architecture and Functions" »

This document provides a detailed, exam-ready note sheet covering essential topics in digital electronics, including key points, formulas, comparisons, and revision tips. The content is structured for quick and effective study.

R-2R Digital-to-Analog Converter (DAC)

Definition:
A digital-to-analog converter that converts a binary input to an analog voltage using only R and 2R resistors. This design is common in ICs due to its simplicity and accuracy.

Operation:

• Each bit controls a switch connecting to Vref (1) or GND (0).
• The ladder network ensures each bit contributes a weighted current.
• Output voltage formula:

V_{out} = V_{ref} \times \frac{D}{2^n} \quad (D = \text{decimal equivalent of input})

Advantages:

• Only two resistor values, simplifying IC fabrication.

The Vital Role of Afforestation and Ecology

Tanveer: Hello friend! How are you, and where are you going?

Habib: My God! You are here? I am so-so and was just going to see you.

Tanveer: But you are in such a hurry. Is anything wrong?

Habib: Yes, a report from the Green Party regarding the tree-cutting culture is greatly tormenting me.

Tanveer: I see. To save our green environment, the Green Party is emphasizing afforestation instead of further deforestation.

Habib: What is afforestation?

Tanveer: Afforestation means planting trees systematically.

Habib: Yes, tree plantation? Trees give us shelter, shade, food, and other benefits, such as the maintenance of the ecosystem, which allows natural processes to function smoothly. Trees are, in a word, the... Continue reading "Benefits of Afforestation, School Gardens, and Reading" »

Module I: Position of Women in India

Module II: Sexual Wrongs Against Women

Key Acts and Sections Related to Sexual Crimes

National Company Law Tribunal (NCLT): An Introduction

The National Company Law Tribunal (NCLT) is a quasi-judicial body established under the Companies Act, 2013 to consolidate and handle all matters related to company law, insolvency, and corporate disputes. It was constituted on June 1, 2016, and functions as a replacement for multiple earlier bodies such as the Company Law Board (CLB), the Board for Industrial and Financial Reconstruction (BIFR), the Appellate Authority for Industrial and Financial Reconstruction (AAIFR), and High Court jurisdictions in certain corporate matters.

NCLT aims to provide speedy, efficient, and specialized adjudication in corporate matters, thereby improving the corporate governance and insolvency resolution framework... Continue reading "National Company Law Tribunal (NCLT): Functions and Role in India" »