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• Mobile computing systems


  Computing systems that may be easily moved physically and whose computing capabilities may be used while they are being moved
• Mobile Computing


  A technology that allows transmission of data, voice and video via a computer or any other wireless enabled device without having to be connected to a fixed physical link
• Mobile computing


  • Enables people to access network services anyplace, anytime and any user
  • With portable and wireless computing and communication devices
  • Provides decentralized (distributed) computations on diversified devices, systems, and networks, which are mobile, synchronized, and interconnected via mobile communication standards and protocols

  
• Mobile Computing


  An umbrella term used to describe technologies that enable people to access network services anyplace, anytime, and anywhere

  
• Examples of mobile computing

  • Laptops
  • Personal digital assistants (PDAs)
  • Mobile phones
• Distinguishing aspects of mobile computing systems

  • Prevalent wireless network connectivity
  • Small size
  • Mobile nature of their use
  • Power sources
  • Functionalities suited to the mobile user

  
• Mobile Computing


  A generic term describing the application of small, portable, and wireless computing and communication devices

  
• Ubiquitous computing


  Integrates computation into the environment, rather than having computers which are distinct objects
• Pervasive computing


  When computers are everywhere inside all things, maybe also within you
• Components of mobile computing


  • Mobile Communication
  • Mobile Hardware
  • Mobile Software
• Mobile Communication


  A framework that is responsible for the working of mobile computing technology, ensuring seamless and reliable communication among wireless devices

  
• The mobile communication framework consists of communication devices such as protocols, data formats, services, bandwidth, and portals necessary to facilitate and support the stated services

  
• The signals are carried over the air to intended devices that are capable of receiving and sending similar kinds of signals
• Mobile Hardware


  Mobile devices or device components that receive or access the service of mobility, such as portable laptops, smartphones, tablet PCs, Personal Digital Assistants
• Mobile Software


  The actual program that runs on the mobile hardware, dealing with the characteristics and requirements of mobile applications, also called the operating system of the appliance
• Portability is the main factor in mobile computing, enabling users to operate from anywhere
• The advent of portable computers and laptops, Personal Digital Assistants (PDA), PC tablets and smartphones, has made mobile computing very convenient
• Mobile


  Describes portable devices that can send and receive data without attaching to a hardware infrastructure
• Wireless


  The method of transferring information between a computing device and a data source without a physical connection
• Wireless networking provides the basic communication infrastructure necessary to enable mobile computing
• Types of mobile computing

  • Portable Computing
  • Mobility Computing
• Portable Computing


  Requires wired communication, allowing users to move the devices anywhere but needing to access a network line
• Mobility Computing


  Also called Mobile Computing, refers to wireless communication systems that allow users to send any type of data from one location to another anywhere and anytime without physical connections

  
• Paradigms in mobile computing

  • Low power computing
  • Computing in an environment with limited resources
  • Fault tolerance and persistence
  • Pervasiveness/ubiquity
  • Varying User Interfaces
• Low power computing


  Mobile computing focuses on energy efficiency and performance optimization to guarantee reliability
• Computing in an environment with limited resources


  Mobile computing designs have enabled advancement in system integration, processing innovation and idle power management
• Fault tolerance and persistence


  Due to the distributed nature of mobile computing design, a service breakdown in one node is corrected by services of other functioning nodes
• Pervasiveness/ubiquity


  Any time any place computing, unlike a desktop in an office
• Varying User Interfaces


  Using a combination of interface types in mobile devices, such as voice, smaller displays, stylus, touch-screen, and miniature keyboards
• Mobile computing device


  Any device created using mobile components, such as mobile hardware and software, that is portable and capable of operating, executing and providing services and applications
• Characteristics of mobile computing devices

  • Smaller size
  • Powered by rechargeable batteries
  • Different operating system from PCs
  • Connectivity to the internet and mobile broadband networks
  • Specific applications designed for the device's OS
• Basic types of mobile devices

  • Laptop
  • Smartphone
  • Tablet computer
  • Wearable
  • Sensors
• Configurations of mobile computing devices

  • Fixed and Wired
  • Fixed and Wireless
  • Mobile and Wired
  • Mobile and Wireless

  
• Mobile software


  Programs that run on the mobile hardware, including both the operating systems and the application software
• Major mobile operating systems


  • Android OS
  • iOS
  • Palm OS
• Mobile software


  Programs that run on the hardware, including both the operating systems and the application software
• Major Mobile OS software

  • Android OS
  • iOS
  • Palm OS
  • Win CE
  • Symbian OS
  • BlackBerry OS
  • Harmony OS
• Android OS


  • Open source, mostly developed and maintained by Google, runs on smartphones, watches, cars and TVs
• iOS


  • Apple's operating system, runs on iPod, iPad, iPhone, and Apple Watch devices, responds to commands from the user's fingertips
• Palm OS


  • Focused on including the functionality of touch screen on mobile devices