Computer Networks Exam Notes: Units I–III with Solved Numericals
Computer Networks — Exam Preparation Notes
B.Tech CSE | Minor-I | Units I, II & III
These notes are organized according to your syllabus, the two uploaded question papers, and your teacher’s exam guidelines: approximately 60% numerical/problem-solving and 40% theory.
Your preparation priority
60%
Numericals and problem-solving
Unit III routing, shortest paths and IP addressing; Unit II CRC, Hamming code, flow control and ARQ; Unit I delay calculations.
40%
Theory and diagrams
Unit I devices, transmission
Read MoreOffice Management and Accounting Study Notes for Nepal
Very Short Questions (1 Mark Each)
Write any two importances of office management.
- Helps achieve organizational goals efficiently.
- Optimizes the utilization of available office resources.
Write down the full form of NAS.
National Accounting Standards.
Write names of any two government offices that use central level accounting.
- Financial Comptroller General Office (FCGO)
- Ministry of Finance
What is revenue accounting system?
Revenue accounting system is a systematic method of recording, classifying, and reporting
Read MoreOrganizational Development: Principles, Process, and Models
1. Meaning of OD
Organizational Development (OD) is a planned process of improving an organization’s performance through changes in employee behaviour, teamwork, and communication.
2. Nature
- Planned: Changes are planned properly.
- Continuous: It is an ongoing process.
- People-oriented: Focuses on employees.
- Change-oriented: Helps the organization adapt to changes.
- Long-term: Focuses on lasting improvement.
3. Basic Assumptions
- Employees want to learn and grow.
- Trust and teamwork improve performance.
- Participation
Operating Systems Key Concepts: Process States, PCB, Semaphores & Memory
Operating Systems Key Concepts: Process States, PCB, Semaphores & Memory
4. Process State & Process Control Block (PCB)
- Process States: A process cycles through: New (created) → Ready (waiting in memory) → Running (executing instructions) → Waiting/Blocked (waiting for an event/IO) → Terminated (finished execution).
- PCB Definition: A dedicated kernel data structure containing all information about a specific process.
- 5 Essential PCB Fields:
- Process State: Current condition (Ready, Running,
Mental Health and Mental Illness: Definitions, Perspectives, and Stigma
Q1. Define mental health. Explain its key features.
The WHO defines mental health as a state of well-being in which a person realizes their own abilities, copes with the normal stresses of life, works productively and contributes to their community. It is more than the absence of disease.
Key features:
- Emotional well-being: the ability to experience, express and regulate feelings.
- Psychological well-being: self-acceptance, purpose in life, autonomy, positive relationships and personal growth.
- Social
Binary Trees Explained: Structure, Traversals, Hashing and Sorting
1. Explain Binary Tree
A Binary Tree is a non-linear, hierarchical data structure in which each node can have a maximum of two children, traditionally referred to as the left child and the right child.
Core Structural Components
- Root Node: The topmost node of the tree with no parent.
- Leaf Node: A node with no children (degree 0).
- Internal Node: A node containing at least one child.
- Subtree: A tree structure formed by a child node and its descendants.
Key Types of Binary Trees
- Full Binary Tree: Every node
Online Self-Presentation, Digital Identity & Internet Addiction: Key Concepts and Answers
Q.1 Fill in the Blanks (Based on All Units)
[10 Marks — 1 Mark Each]
- The process by which individuals create, manage, and curate their digital persona on social platforms is called online self-presentation.
- The concept of altering or narrowing one’s perception of others through filters and selective sharing in online spaces is known as “Looking through a Lens.”
- Ingratiation is a self-presentation strategy where an individual uses flattery or favors to create a positive impression.
- The factors influencing
International Trade and Economic Institutions: Key Objectives, Features and Benefits
Objective of India-ASEAN FTA?
Introduction: The India-ASEAN Free Trade Agreement was signed on 13th August 2009 in Bangkok and came into force on 1st January 2010. It is one of India’s most important FTAs.
Objectives:
- To Increase Bilateral Trade: To increase trade from $80 billion to $200 billion.
- Elimination of Tariffs: To reduce duties on 80% of goods.
- Market Access: To create a large free market of 1.8 billion people.
- Investment Promotion: To promote mutual investment through CECA.
- Economic Cooperation:
Java Socket Programming: TCP, UDP & NIO Interview Questions and Answers
Quiz 1: Socket Programming Fundamentals
Q1: What is the purpose of the ServerSocket class?
Answer: To listen for incoming socket connections
Q2: Which TCP/IP layer is primarily responsible for routing packets between different networks?
Answer: Network layer
Q3: Which method would you use to obtain the local machine’s IP and hostname using InetAddress?
Answer: InetAddress.getLocalHost()
Q4: What is the role of threads in socket programming for concurrent servers?
Answer: Handle multiple client requests
Wilkie Collins’ The Haunted Hotel: Vocabulary, Comprehension and Discussion Activities
Vocabulary: English to Catalan
Word or phrase in English | Translation
Acknowledge
She acknowledged her mistake.
Va reconèixer el seu error.
Bewildered
He looked bewildered.
Semblava desconcertat.
Bribed
He bribed the officer.
Va subornar l’agent.
Burdensome
The job was burdensome.
La feina era feixuga.
Canopy
The canopy covered the bed.
El dosser cobria el llit.
Charlatan
He was a medical charlatan.
Era un fals metge.
Compelled
She felt compelled to leave.
Es va sentir obligada a marxar.
Complexion
She has a pale complexion.