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OS Notes Semester 4 Engineering | Free Notes Operating Systems | Computer Engineering Mumbai University

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Computer Engineering 4th Semester Mumbai University OS Notes | Operating Systems  Free Notes | Mumbai University 

Today, we are providing you a guide for Operating Systems ( OS ) for degree engineering students under Mumbai University syllabus. This blog will help you to focus on important topics for exams, using a effective preparation strategies. This question are based on Mumbai University and provides a way to score excellent marks with minimum amount of time.

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Overview of Operating Systems ( OS ) Units and Key Topics

An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs.

Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and other resources.

For hardware functions such as input and output and memory allocation, the operating system acts as an intermediary between programs and the computer hardware, although the application code is usually executed directly by the hardware and frequently makes system calls to an OS function or is interrupted by it. Operating systems are found on many devices that contain a computer – from cellular phones and video game consoles to web servers and supercomputers.

As of September 2024, Android is the most popular operating system with a 46% market share, followed by Microsoft Windows at 26%, iOS and iPadOS at 18%, macOS at 5%, and Linux at 1%. Android, iOS, and iPadOS are mobile operating systems, while Windows, macOS, and Linux are desktop operating systems.[3] Linux distributions are dominant in the server and supercomputing sectors. Other specialized classes of operating systems (special-purpose operating systems), such as embedded and real-time systems, exist for many applications. Security-focused operating systems also exist. Some operating systems have low system requirements (e.g. light-weight Linux distribution). Others may have higher system requirements.

Some operating systems require installation or may come pre-installed with purchased computers (OEM-installation), whereas others may run directly from media (i.e. live CD) or flash memory (i.e. USB stick).

Our notes provide detailed explanations, diagrams, and example problems for each topic, helping you understand the critical topics.

Operating Systems  ( OS ) Notes

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These notes are specially for to help you achieve a thorough understanding of Operating Systems and secure high marks in your exams.

Related Resources for Operating Systems ( OS )

Explore additional resources which are available on our website;

  • Operating Systems IMP Questions
  • Previous Year Question Papers

Tips for Scoring High in the Operating Systems ( OS )

1. Focus on Repeated Questions: Priority matters cuz repeated questions theirs are so many chances that can repeated questions may ask.

2. Understand Algorithm Steps: Algorithms like Cohen-Sutherland and OS Algorithm and their basic roots have predictable patterns. Practice this algorithms neatly.

3. Utilize Campusify Resources: Access Campusify’s question banks, solved papers, and imp notes to stronger your preparation.

4. Practice Coding: you've to practice for much time to study Operating Systems to build a practical understanding of key topics.

5. Revise Efficiently: Allocate time for high possibility asking topics,points and repeated questions for your preparation.

How to Effectively Use Campusify's Guidence for Most Repeated Questions

Campusify for this subject Operating Systems ( OS ) guide to highlight frequently asked questions, helping you. Here’s how to use it:

  • Identify Exam Trends: Focus on questions like transformations, line-drawing algorithms, and shading techniques that are repeated in Mumbai University exams.
  • Targeted Practice: Solve these questions multiple times to increase your study with these key topics.
  • Utilize Solved Examples: Refer to Campusify’s solutions for detailed explanations of repeated questions, ensuring a clear understanding.

How To Get Notes From Campusify?

To Download Notes form Campusify follow these steps:
  1. Search on google "Campusify"
  2. Visit 1st Sites you see.
  3. Search for MU Notes in the search bar.
  4. Choose your Semester 
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  6. Scroll down' for pdf
  7. Open thus pdf in google drive 
  8. Now download this pdf

Tips for Tackling Repeated Questions

  • Break Down Complex Topics: For challenging questions like 3D transformations, split the problem into simpler steps, such as individual matrix operations.
  • Leverage Visual Aids: Use diagrams and flowcharts to simplify abstract concepts like viewing pipelines or Bezier curves.
  • Practice Frequently: Focus on solving repeated questions related to DDA, Cohen-Sutherland, and shading to ensure a strong grasp of these topics. Add repeated questions in your priority list.

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Mumbai University Information 

University of Mumbai (formerly known as University of Bombay) is a public state university in Mumbai. It is one of the largest university systems in the world with over 549,000 students on its campuses and affiliated colleges. As of 2013, the university had 711 affiliated colleges.
The first departments established were the Faculty of Arts at Elphinstone College in 1835 and the Faculty of Medicine at Grant Medical College in 1845. Both colleges existed before the university was founded and surrendered their degree-granting privileges to the university. The first degrees awarded in 1862 were Bachelor of Arts and Licentiate in Medicine.[8] Medical schools such as Sindh Medical School in Hyderabad, Sindh were affiliated with the university as well.
Until 1904, the university only conducted examinations, awarded affiliations to colleges, developed curricula, and produced guidelines for colleges developing curricula.Teaching departments, research disciplines, and post-graduate courses were introduced from 1904, and several additional departments were established. After India achieved independence in 1947, the functions and powers of the university were reorganized under The Bombay University Act of 1953. The name of the university was changed from University of Bombay to University of Mumbai in 1996.
Veermata Jijabai Technological Institute, then known as the Victoria Jubilee Technical Institute, founded in 1887, was the first Engineering Institute of the University of Mumbai.Thadomal Shahani Engineering College was the first Engineering college in the University of Mumbai to start courses in Computer Engineering, Information Technology, Electronics Engineering and Biomedical Engineering

Why Operating Systems Essential

In some cases, hobby development is in support of a "homebrew" computing device, for example, a simple single-board computer powered by a 6502 microprocessor. Or, development may be for an architecture already in widespread use. Operating system development may come from entirely new concepts, or may commence by modeling an existing operating system. In either case, the hobbyist is her/his own developer, or may interact with a small and sometimes unstructured group of individuals who have like interests.

As of September 2024, Android is the most popular operating system with a 46% market share, followed by Microsoft Windows at 26%, iOS and iPadOS at 18%, macOS at 5%, and Linux at 1%. Android, iOS, and iPadOS are mobile operating systems, while Windows, macOS, and Linux are desktop operating systems.

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