ASSIGNMENT 1 OPEARTING SYSTEMS ( PALM OS ) Nousheen Shaikh Salwa Buksh

WHAT IS PALM OS? It is a mobile operating system. Its been used in smart phones, wrist watches, handheld game consoles, GPS devices etc. Provides a software platform for any handheld PDAs made by Palm Inc. Designed to fit palm size device of specific size and specific display size. It uses TCP/IP network access.

B ACK TO THE 90’ S Developed by Jeff Hawkins at Palm Computing Inc. Designed in 1996 Six versions were designed: 1. Palm OS 1.0(1996) 2. Palm OS 2.0(March ) 3. Palm OS 3.0(March ) 4. Palm OS 4.0(March ) 5. Palm OS 5(June 2002) 6. Palm OS Cobalt (Feb )

P ALM OS 1.0 Could not differentiate between RAM and file storage system Supported 160x160 monochrome output display Input generated through Graffiti handwriting reorganization system or virtual keyboard (optional) Supported data synchronization to another Pc through its HotSync technology Features 1. Classic PIM applications Address 2. Date Book 3. Memo Pad 4. To Do List 5. Calculator 6. Security tool

P ALM OS 2.0 Added 1. TCP/IP network 2. Network Hotsync 3. Display backlight support Features (added) 1. Enhanced PIM applications 2. Mail 3. Expense

P ALM OS 3.0 Added 1. Infrared (IrDA) 2. Enhanced font support Released 4 different versions with different features 1. Palm OS 3.1 – minor features like new HotSync support 2. Palm OS 3.2 – Web Clipping support 3. Palm OS 3.3 – faster HotSync speed and infrared hotsyncing 4. Palm OS 3.5 – native 8-bit color support, many convenience features

P ALM OS 4.0 Added 1. External file system access (SD card) 2. Support USB 3. Mobile Internet kit bit color screens and different time zone. 5. Many other applications (LED blinking, vibration, sound) 6. UI enhancements

P ALM OS 5 Supports ARM(32 bit Advanced RISC Machine) devices Supports high density 320 x 320 screens with full sound playback and record API Released 4 versions: supports 480x320 resolutions and introduces a new handwriting input system called Graffiti Palm OS 5.3 Simplified Chinese Edition - supports Simplified Chinese, adds support for QVGA resolutions, and API for virtual Graffiti 3. Palm OS Garnet (5.4) - provides support for multiple screen resolutions, ranging from 160x160 to 480x320, updated Bluetooth libraries. 4. Garnet OS 5.5 – designed mostly for Garnet VM virtual machine.

P ALM OS C OBALT embedded modern operating system to an existing operating system Features embedded 1. Multitasking and memory protection 2. Modern multimedia and graphic framework 3. Security features 4. Adjustments of PIM files in order to function with Ms Outlook.

C OMPETITORS Other competing operating system: 1. Android 2. Blackberry OS vs

A NDROID VS. P ALM OS Developed by Google Designing since 2005 Used by Samsung, HTC, etc Most of the features are same but since it was designed in 2005 many features like supporting 3D graphics were added. The market share is around 25.5% Developed by Palm Inc. Designing since 1996 Used by HP Features are almost the same but since it began designing from long back many new tech features were not added. The market share is pretty less. AndroidPalm OS

B LACKBERRY OS VS. P ALM OS Developed by RIM (Research In Motion) Designing since 1999 Used by Blackberry Almost all the features are same. Market share is quite high around 14.8% Developed by Palm Inc. Designing since 1996 Used by HP All the features are same Market share is pretty less Blackberry OSPalm OS

R EFERENCES stem#cite_note nition/Palm-OS