Supporting Mobile Digital Devices Flashcards
Accelerometer
Mobile technology that can determine the orientation of a device with a sensor that measures the acceleration of the device direction.
Backlight
The typical form of illumination used in a full-sized LCD display.
Baseband
A transmission scheme where a single signal sends data using the entire bandwidth of the transmission media. Compare with broadband.
Baseband RTOS (Baseband Real Time Operating System)
In a mobile device, memory that contains an operating system that is separate from the end-user operating system (for example, Android or iOS) and that controls all of the low-level timing-dependent functions of the mobile device.
Data Synchronisation
The process of automatically merging and updating common data that is stored on multiple devices.
Digitiser
On touch screen displays, a layer of sensors between the LCD display and a layer of glass that enables the translation of the analogue touch signal to a digital signal.
Discovery Mode
A device mode that will transmit a friendly signal to another device in close proximity.
Docking Station
Desktop devices that connect portable computers to standard desktop peripherals without the need to connect and disconnect the peripherals themselves when the user switches from stationary to mobile use.
EAS (Exchange ActiveSync)
Microsoft’s synchronisation protocol that enables mobile devices to connect to an Exchange Server to access mail, calendar, and contacts.
ExpressCard
A mobile expansion card designed by the PCMCIA to replace traditional PC Cards to provide PCI Express and USB 2.0 connectivity.
Frontlight
A form of lighting devices from the front of the display.
Ghost Cursor
A cursor that jumps around on the screen randomly, or moves too slow, or opens windows and menus on its own.
IMAP4 (Internet Mail Access Protocol)
A protocol used to retrieve email messages and folders from a mail server.
IMEI Number (International Mobile Equipment Identity)
A number that uniquely identifies a mobile device.
IMSI Number (International Mobile Subscriber Identity)
A number that uniquely identifies a mobile subscriber.