The document discusses Google Chrome OS, an open-source operating system based on Linux and cloud computing. It provides a brief history of Chrome OS, describing its initial release in 2009 and prototype hardware in 2010. The core features of Chrome OS are explained as instant boot times, cloud computing, a consistent experience across devices, and built-in security. Design goals and differences between Chrome OS, Windows, and Linux are also outlined. The document concludes with examples of Chrome OS apps and a discussion of advantages like security and disadvantages like lack of offline functionality.

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By
-Nayana C.Bingi

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Contents

 Introduction
 History
 Features
 Architecture
 Design Goals
 Chrome OS Vs Windows, Linux
 Chrome OS Apps
 Advantages And Disadvantages
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Introduction

 Google Chrome OS is Linux based OS
 Google Chrome is an open source, lightweight OS.
 It is based on the concept of “cloud computing” and different
programs of the internet
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History

 On November 19,2009 Google released Chrome OS
code as Chromium OS Project
 On January 25,2010,Google posted notes , images &
video of a conceptual design showing how Chrome
OS interface
 In March 2010, Google indicated that two versions of
the OS, a consumer version & an enterprise version
are being developed.
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History…

 Written in: C, C++
 OS: Linux, MAC OS and Windows
 First Release on July 7, 2009
 Cr-48 Prototype Hardware
 At December 7, 2010 press briefing, Google announced the
Cr-48 laptop
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CR -48 Laptop

 Cr-48 laptop, a reference hardware design to test the Chrome
OS operating systemThe laptop's design broke convention by
replacing the caps lock key with a dedicated search key.
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Features

 1. Instant Web
 2. Cloud Computing
 3. Same Experience Everywhere
 4. Built in Security
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1.Instant Web

 Boot in 10 seconds & resume from sleep instantly. Websites load
quickly & run smoothly, wit support for the latest web standards ,Flash
Player
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2.Cloud Computing

 Location independent computing , whereby shared servers provide
resources, software and data to computers and other devices on
demand
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3.Same Experience
Everywhere

 If you lose your computer, you can just log in to
another Chrome netbook & get back to work.
 Get connected anytime & anywhere with built in Wi-
Fi and 3G
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4.Built In Security

 1. Automatic Update
 2. Sandboxing
 3. Verified Boot
 4. Data Encryption
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*Sandboxing and Verified Boot

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Architecture
 major components
 Chromium OS cosists of three
 1. Firmware
 2. System-level software and user-land services: the kernel,
drivers, connection manager
 3. The Chromium-based browser and the window manager
.
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1.Firmware

 1.System Recovery
 2.Verified Boot
 3.Fast Boot
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2.Sytem Level & User-Land
Software
 1. D-Bus

 2. Connection Manager
 3. WPA Supplicant
 4. Auto Update
 5. Power Management
 6. X Screen Saver
 7. Standard Linux Services
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3.Chromium and the Window
manager

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Design Goals And Direction

 1. User Interface
 2. Architecture
 3. Hardware Support
 4. Integrated Media Player
 5. Security
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Windows versus Chrome OS

Windows Chrome OS
 Paid OS  Freeware
 Virus Effect  No Virus effect
 Slower Booting  Faster Booting
 Application Tools are  Application Tools are
not preinstalled preinstalled
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Linux versus Chrome OS

Linux Chrome OS
 All components are not  All components are supported .
supported(web cams, touch-
pads, Bluetooth, etc)  Not much effort required for
 Installations requires little installation
efforts  Requires less maintenance as
 Linux Device require Chrome book updated
maintenance automatically and
 Data need to be transparently
backed up  Data is stored in cloud which is
backed up automatically
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Apps

 Amazon Widow Shop  Listube
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Apps….

 Todo.ly  Slide Rocket
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Advantages/Unique
Features

 The browser itself is interface
 Designed for security
 Data storage is in cloud
 Forget the slow boot-ups
 Everything is on the web , no application installation
 Free to use
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Disadvantages

 No Internet Connection=Not very useful
 Managing Files or Moving files to cloud is as not
easy as Linux OS
 Incompatible with many types of peripherals and
upgrades(CD/DVD & external hard drive not
supported)
 Need share a printer connected to a PC .
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Future Enhancement

 Open Source Communities are adding code to
Chromium
 Google Developers and Open Source Developers are
working on same tree for betterment of OS
 Google is working with OEM to make Google
Chrome OS machines available
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References

 http://www.chromium.org/chromium-os
 http://www.chrome.org/chromium-os/chromious-
design-docs/software-architecture
 http://www.businessweeek.com/the_thread/techb
eat/archieves/2009/07/googles_chrome.html
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Screen Shots
Login

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User Interface

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Web apps

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29. Thank You

Nayana C. Bingi
Roll No:43002
MIT,Pune
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