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MOBILE DEVICE, The Mail app also supports a number of different email…

- - - - Mobile devices do not have field-serviceable parts.
      - Broken devices usually sent to the manufacturer for repair or replacement.
      - Installing parts from sources other than the manufacturer voids the manufacturer’s warranty and might harm the device.
      - There are a few mobile device parts that are field-replaceable:
        
        Battery
        
        Memory card
        
        Subscriber Identity Module (SIM) card
      - NON-UPGRADEABLE HARDWARE
        
        TOUCHSCREEN
        
        Most mobile devices use touchscreens to allow users to physically interact with the screen and type on a virtual keyboard.
        
        Two types of touchscreens:
        
        Capacitive - Consists of a glass screen coated with a conductor. Touching the screen interrupts the electrical field of the screen. This change is how the touch processor calculates location.
        
        Resistive - Consists of transparent layers of material capable of conducting electricity. Pressure causes the layers to touch and interrupt the electricity. This is how the touch processor calculates location.
        
        Multi-touch - the ability to recognize when two or more points of contact are made on the screen.
        
        SOLID STATE DRIVE (SSD)
        
        Multi-touch - the ability to recognize when two or more points of contact are made on the screen.
        
        Advantages of using Flash memory storage (SSD):
        
        Power efficiency - requires very little power to store and retrieve data.
        
        Reliability - can withstand high levels of shock, vibration, heat and cold.
        
        Lightweight and Compact
        
        Performance – no moving parts, therefore no spin-up time for platters or drive head to move.
        
        Noise – very quiet.
        
        COMMON MOBILE DEVICE FEATURE
        
        Screen Orientation - Portrait and landscape
        
        Auto rotation-Content is automatically rotated to the position of the device, either landscape or portrait.
        
        Screen Calibration -Adjusting the brightness of the screen
        
        Global Positioning System (GPS) –A GPS radio receiver uses at least four satellites to calculate position. Uses in mobile devices:
        
        Navigation - A mapping app that provides turn-by-turn directions
        
        Geocaching - App that shows the location of geocaches - hidden containers around the world.
        
        Geotagging - Embeds location information into a digital object, like a photograph or a video, to record where it was taken.
        
        Device tracking - Locates the device on a map if it is lost or stolen.
        
        SMARTPHONE FEATURE
        
        Most smartphones include global positioning system (GPS) functionality.
        
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        Devices without a GPS service can still determine the location, in a less precise way, by using info coming from nearby mobile service antennas or nearby Wi-Fi access points.
        
        Another feature of some smartphones is the ability to "tether", or share, the cellular data connection with other devices.
        
        TABLETS & E-READERS
        
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        Mobile device hardware is typically not upgradeable.
        
        Many of the components in a mobile device are connected directly to circuit boards.
        
        Batteries and memory cards, however, can often be replaced with items that have larger capacities.
        
        Some functionality can be added to mobile devices through the use of built-in ports and docking stations.
- - - - -This is an email client protocol that is used to retrieve emails from a remote server over TCP/IP.
      - It enables a client to connect to an email server, download the user email from the server, and then disconnect.
      - POP3 typically does not leave a copy of the email on the server.
      - -POP3 uses TCP port 110.
      - -Compare with IMAP
    - - -Email Client similar to POP3 except that it synchronizes email folder between the server and client and downloads copies of the email from email server/
      - -IMAP is faster than POP3 but requires more disc space and more CPU resources.
      - It is often used in large networks, such as a university campus
      - The most recent version of IMAP is IMAP4 and it uses TCP port 143
      - Compare with POP3
    - - Email clients use SMTP to send email to servers
      - Email servers also use SMTP to send emails to other email servers
      - A message is sent only after recipients are identified and verified.
      - SMTP is text-based and uses only ASCII encoding and requires MIME to send all other file types
      - SMTP uses TCP port 25
    - - MIME is normally used in conjunction with SMTP
      - MIME extends the text based email format to include other formats, such as pictures and word processor documents
    - - SSL was developed to transmit files securely
      - Most email clients and servers support encryption of emails
  - - - -This is the address people need to send email to you.
        
        An email address is a username followed by the @ symbol domain of the email server (User@example.net)
    - - This can be your real name, nickname or any name that you want people to see
    - - Email protocols are used by the incoming mail server
      - Different protocols provide different email services
    - - These names are provided by the network administrator of ISP
    - - This consists of the username that is used to log in to the mail server, and the account password
      - Always use strong password
  - - - Many of these applications and features require the use of web services provided by Google.
    - - By signing in to your Gmail account, the Google Play store, data and settings backup, and other Google services become accessible.
      - The device synchronizes contacts, email messages, apps, downloaded content, and other information from Google services.
    - - iOS devices ship with a stock Mail app which can handle multiple email accounts simultaneously.
      - The iCloud email is free and comes with remote storage for backups, mail, and documents.
      - When an iOS device is turned on for the first time, the Setup Assistant guides you through the process of connecting the device and signing in with or creating an Apple ID.
      - You can restore settings, content, and apps from a different iOS device from an iCloud backup during the setup process.
      - An Apple ID is required to set up an iOS device.
        
        An Apple ID is used to access the Apple App Store, the iTunes Store, and iCloud.
        
        All of the iOS devices, apps, and content are linked to your Apple ID.
      - Configuring EmailInternet Email
        
        Types of Data to Synchronize
        
        Enabling Synchronization
        
        All devices using the same Google account will have access to the same data.
        
        Android Sync also allows the user to choose the types of data to synchronize.
        
        Android devices also support automatic synchronization with a feature called Auto Sync.
        
        iOS devices support two types of synchronizing:
        
        Backup - Copies your personal data from your phone to your computer and includes application settings, text messages, voicemails, and other data types.
        
        Sync - Copies new apps, music, video, or books from iTunes to your phone and from your phone to iTunes, resulting in full synchronization on both devices.
        
        A few more useful options are available when performing Sync or Backup on iOS:
        
        Backup storage location
        
        Backup straight from an iOS device
        
        Sync over Wi-Fi
        
        Android devices can synchronize your contacts and other data including that from Facebook, Google, and Twitter.
        
        Sync typically means data synchronization.
        
        Synchronization Connection Types
        
        To synchronize data between devices, the devices use USB or Wi-Fi connections.
        
        Most Android devices do not have a desktop program for performing data synchronization. Most users sync with Google’s different web services.
        
        iOS devices can use USB or Wi-Fi Sync to synchronize with iTunes.
        
        To use Wi-Fi Sync, the iOS device must first synchronize with iTunes using a USB cable.
        
        Microsoft also offers cloud storage for synchronizing data between devices through the use of OneDrive.
        
        Passcode Locks
        
        A Passcode Lock secures a device and puts it in a power-saving state.
        
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        Common types of passcode locks:
        
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        Restrictions on Failed Login Attempts
        
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        Many people use a combination of desktop, laptop, tablet, and smartphone devices to access and store information.
        
        Data synchronization is the exchange of data between two or more devices while maintaining consistent data on those devices.
        
        Synchronization methods include synchronization to the cloud, a desktop, and an automobile.
        
        There are many different types of data to synchronize:
        
        Contacts
        
        Applications
        
        Email
        
        Pictures, Music, Videos, Documents
        
        Calendar
        
        Bookmarks
        
        Location data
        
        Social media data
        
        E-books
        
        Passwords
        
        Email service is provided using either:
        
        Local email – The email server is managed by a local IT department such as a school network, business network, or organizational network.
        
        Internet email – The email service is hosted on the internet and controlled by a service provider such as Gmail.
        
        Users can access their online mailboxes using:
        
        Default mobile email app included in the OS such as iOS Mail.
        
        Browser-based email client, such as Mail, Outlook, Windows Live Mail, and Thunderbird.
        
        Mobile email client apps, including Gmail and Yahoo.
        
        Email client apps provide a better user experience when compared to the web interface.
- - - - Sensors in the smartwatch can gather data about various aspects of the body and use Bluetooth to report this information back to another device
      - Some smartwatches can connect directly to a cellular network, utilize GPS location services, provide convenient displays for notifications from apps, and store and play music and playlists
    - - In Augmented Reality (AR), computer graphics are integrated with what is seen in the real world.
      - In Virtual Reality (VR), a user wears a special headset which displays graphics from a separate computer
- - - - A SIM card contains information used to authenticate a device to mobile telephone and data providers
      - A Secure Digital (SD) card is used to add memory to many mobile devices
  - - - Example of Wireless Connection:
        -Wi-fi
        -Near Field Communication(NFC)
        -Infrared(IR)
        -Bluetooth
        -Tether
        -Mobile Hostpot