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Un teléfono inteligente iPhone y una tableta iPad: dos ejemplos de dispositivos móviles.

Un dispositivo móvil (o computadora de mano ) es una computadora lo suficientemente pequeña como para sostener y operar en la mano. Por lo general, cualquier dispositivo de computadora de mano tendrá una interfaz de pantalla plana LCD u OLED , que proporciona una interfaz de pantalla táctil con botones digitales y teclado o botones físicos junto con un teclado físico. Muchos de estos dispositivos pueden conectarse a Internet e interconectarse con otros dispositivos, como sistemas de entretenimiento para automóviles o auriculares a través de Wi-Fi , Bluetooth , redes celulares o comunicación de campo cercano (NFC). Cámaras integradas, la capacidad de colocar y recibir teléfono de voz y video.Las llamadas, los videojuegos y las capacidades del Sistema de posicionamiento global (GPS) son comunes. Normalmente, la energía la proporciona una batería de iones de litio . Los dispositivos móviles pueden ejecutar sistemas operativos móviles que permiten la instalación y ejecución de aplicaciones de terceros especializadas para dichas capacidades .

Los primeros teléfonos inteligentes se unieron a fines de la década de 2000 con tabletas más grandes, pero por lo demás esencialmente iguales . La entrada y salida ahora se realiza normalmente a través de una interfaz de pantalla táctil . Los teléfonos / tabletas y los asistentes digitales personales pueden proporcionar gran parte de la funcionalidad de una computadora portátil / de escritorio, pero de manera más conveniente, además de características exclusivas. Los asistentes digitales empresariales pueden proporcionar funciones comerciales adicionales, como la captura de datos integrada mediante lectores de códigos de barras , RFID y tarjetas inteligentes . En 2010, los dispositivos móviles a menudo contenían sensores como acelerómetros ,magnetómetros y giroscopios , que permiten la detección de orientación y movimiento. Los dispositivos móviles pueden proporcionar autenticación de usuario biométrica , como reconocimiento facial o reconocimiento de huellas dactilares .

Los principales fabricantes mundiales de dispositivos móviles son Apple , Samsung , Huawei , Xiaomi , Sony , Google , HTC , LG , TCL , Motorola Mobility y Nokia .

Characteristics[edit]

Device mobility can be viewed in the context of several qualities:[1]

  • Physical dimensions and weight
  • Whether the device is mobile or some kind of host to which it is attached is mobile
  • To what kind of host devices can it be bound
  • How devices communicate with a host
  • When the mobility occurs

Strictly speaking, many so-called mobile devices are not mobile. It is the host that is mobile, i.e., a mobile human host carries a non-mobile smartphone device. An example of a true mobile computing device, where the device itself is mobile, is a robot. Another example is an autonomous vehicle. There are three basic ways mobile devices can be physically bound to mobile hosts: accompanied, surface-mounted or embedded into the fabric of a host, e.g., an embedded controller embedded in a host device. Accompanied refers to an object being loosely bound and accompanying a mobile host, e.g., a smartphone can be carried in a bag or pocket but can easily be misplaced.[1] Hence, mobile hosts with embedded devices such as an autonomous vehicle can appear larger than pocket-sized.

As stated earlier, the most common size of mobile computing device is pocket-sized that can be hand-held, but other sizes for mobile devices exist, too. Mark Weiser, known[by whom?] as the father of ubiquitous computing, computing everywhere, referred to device sizes that are tab-sized, pad and board sized,[2] where tabs are defined as accompanied or wearable centimetre-sized devices, e.g. smartphones, phablets and pads are defined as hand-held decimetre-sized devices. If one changes the form of the mobile devices in terms of being non-planar, one can also have skin devices and tiny dust-sized devices.[1] Dust refers to miniaturised devices without direct HCI interfaces, e.g., micro electro-mechanical systems (MEMS), ranging from nanometres through micrometers to millimetres. See also Smart dust. Skin: fabrics based upon light emitting and conductive polymers and organic computer devices. These can be formed into more flexible non-planar display surfaces and products such as clothes and curtains, see OLED display. Also see smart device.

Although mobility is often regarded[by whom?] as synonymous with having wireless connectivity, these terms are different. Not all network access by mobile users, applications and devices need be via wireless networks and vice versa. Wireless access devices can be static and mobile users can move in between wired and wireless hotspots such as in Internet cafés.[1] Some mobile devices can be used as mobile Internet devices to access the Internet while moving but they do not need to do this and many phone functions or applications are still operational even while disconnected to the Internet. What makes the mobile device unique compared to other technologies is the inherent flexibility in the hardware and also the software. Flexible applications include video chat, Web browsing, payment systems, NFC, audio recording etc.[3] As mobile devices become ubiquitous there, will be a proliferation of services which include the use of the cloud.[citation needed] Although a common form of mobile device, a smartphone, has a display, another perhaps even more common form of smart computing device, the smart card, e.g., used as a bank card or travel card, does not have a display. This mobile device often has a CPU and memory but needs to connect, or be inserted into a reader in order to display its internal data or state.

Types[edit]

Smartphones, handheld mobile devices

There are many kinds of mobile devices, designed for different applications. This includes:

  • Mobile computers
    • Tablet computer
    • Netbook
    • Digital media player
    • Enterprise digital assistant
    • Graphing calculator
    • Handheld game console
    • Handheld PC
    • Laptop
    • Mobile Internet device (MID)
    • Personal digital assistant (PDA)
    • Pocket calculator
    • Portable media player
    • Ultra-mobile PC
  • Mobile phones
    • Camera phones
    • Feature phones
    • Smartphones
    • Phablets
  • Digital cameras
    • Digital camcorder
    • Digital still camera (DSC)
    • Digital video camera (DVC)
    • Front-facing camera
  • Pagers
  • Personal navigation device (PND)
  • Wearable computers
    • Calculator watch
    • Smartwatch
    • Head-mounted display
  • Smart cards

Uses[edit]

Handheld devices have become ruggedized for use in mobile field management. For instance, the uses are, digitizing notes, sending and receiving invoices, asset management, recording signatures, managing parts, and scanning barcodes.

In 2009, developments in mobile collaboration systems enabled the use of handheld devices that combine video, audio and on-screen drawing capabilities to enable multi-party conferencing in real-time, independent of location.[4] Handheld computers are available in a variety of form factors, including smartphones on the low end, handheld PDAs, Ultra-Mobile PCs and Tablet PCs (Palm OS, WebOS).[5] Users can watch television through Internet by IPTV on some mobile devices. Mobile television receivers have existed since the 1960s, and in the 21st century mobile phone providers began making television available on cellular phones.[6]

In the 2010s, mobile devices can sync and share many data despite the distance or specifications of said devices. In the medical field, mobile devices are quickly becoming essential tools for accessing clinical information such as drugs, treatment, even medical calculation.[7] Due to the popularity of mobile gaming, the gambling industry started offering casino games on mobile devices, which in turn lead to inclusion of these devices in anti hazard legislature as devices that could potentially be used in illegal gambling. Other potentially illegal activities might include the use of mobile devices in distributing child pornography and the legal sex industry use of mobile apps and hardware to promote its activities, as well as the possibility of using mobile devices to perform trans-border services, which are all issues that need to be regulated. In the military, mobile devices have created new opportunities for the armed forces to deliver training and educational materials to soldiers, regardless of where they are stationed.[8]

See also[edit]

  • Converged device
  • List of emerging technologies
  • Mobile interaction
  • Near field communication (NFC)
  • Smart device

References[edit]

  1. ^ a b c d Poslad, Stefan (2009). Ubiquitous Computing Smart Devices, Smart Environments and Smart Interaction. Wiley. ISBN 978-0-470-03560-3. Archived from the original on 2014-12-10. Retrieved 2015-01-07..
  2. ^ Weiser, Mark (1991). "The Computer for the Twenty-First Century". Scientific American. 265 (3): 94–104. doi:10.1038/scientificamerican0991-94.
  3. ^ Beddall-Hill, Nicola; Jabbar, Abdul & Al Shehri, Saleh (2011). "Social Mobile Devices as Tools for Qualitative Research in Education: iPhones and iPads in Ethnography, Interviewing, and Design-Based Research". Journal of the Research Center for Educational Technology. 7 (1): 67–90. ISSN 1948-075X.
  4. ^ Robbins, Renee (May 28, 2009). "Mobile video system visually connects global plant floor engineers". Control Engineering. Archived from the original on 2012-07-27.
  5. ^ Mellow, P. (2005).The media generation: Maximise learning by getting mobile. In Ascilite, 470–476
  6. ^ Lotz, Amanda D. (2007). "The Television Will Be Revolutionized." New York, NY: New York University Press. p. 65-66
  7. ^ Boruff & Storie, Jill & Dale (January 2014). "Mobile devices in medicine: a survey of how medical students, residents, and faculty use smartphones and other mobile devices to find information*". J Med Lib Assoc. Cite journal requires |journal= (help)
  8. ^ Casey, Mike (June 26, 2014). "Army seeks to increase use of mobile devices". ftleavenworthLamp.com.

Sources[edit]

  • "Mobile Devices". Library Technology Reports. 44 (5): 10–15. 2008.
  • Hanson, C. W. (2011). "Chapter 2: Mobile Devices in 2011". Library Technology Reports. 47 (2): 11–23.