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Applications

1. Mobile elements are resource-poor relative to static elements. At any given cost and level of technology, considerations of weight, power, size and ergonomics will render mobile elements less computationally capable than their static counterparts.

2. While mobile elements will undoubtedly
improve in absolute ability, they will always be at a disadvantage relative to static elements.

3. Mobile elements are more prone to loss, destruction, and subversion than static elements. A Wall
Street stockbroker is more likely to be mugged on the streets of Manhattan and have his or her laptop
stolen than to have the workstation in a locked office be physically subverted

4. • Mobile elements must operate under a much broader range of networking conditions. A desktop
workstation can typically rely on LAN or WAN connectivity.

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Summary

The process of computation on a mobiledevice
• In mobile computing, a set of distributed computing systems or service provider
servers participate, connect, and
synchronise through mobile
communication protocols

• Mobile computing as a generic term
describing ability to use the technology to
wirelessly connect to and use centrally
located information and/or application
software through the application of small,
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 device does not restrict itself to
just one application, such as, voice
communication

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1. The term „data‟ represents message or information where the signal is the representation of the data, and it is also termed as information bearing signal .

2. In a signal if a particular signal pattern repeats over a time period systematically it is a periodic
signal

3. The principle used in multiplexer is „many to one‟ concept. Many inputs are combined as one link
or one output from a MUX unit where a DEMUX unit at the receiver reproduces the same many
units at the end entity.

4. a) FDMA b) TDMA c) CDMA

5. The vision for the emerging mobile and personal communication services and system is to enable
communication with a person, at any time, at any place, and in any form

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1. What is the differentiate between signal and data?

2. What is a periodic signal?

1.   What is the principle used in multiplexers?

1. What are the multiple access schemes?

1. What is personal communication?

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The popularity of the Vindigo application attests to the effectiveness of its technology-intensive approach to
delivering personal navigation tools on mobile devices. Hundreds of thousands of people have made Vindigo a
part of their daily lives. Unsolicited feedback includes numerous anecdotes of how Vindigo has been useful in
both personal and professional situations. As one quantitative data point, the average user consults Vindigo for directions once a week.
It is clear from the Vindigo example that mobile applications are fast becoming an integral part of everyday
life. It is equally clear that, for these applications to be successful, they must be carefully tailored to the special
demands and constraints of the mobile environment.

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1. D. Duchamp, “Issues in Wireless Mobile
Computing”, Proc. Of the 3rd Workshop on
Workstation Operating Systems, IEEE, April
1992.

2. W.C. Grant, “Wireless Coyote : A Computer-
Supported Field Trip”, Communications of the
ACM, Vol. 36, No. 5, May 1993

3. D.C. Cox, “Wireless Personal Communications:
What Is It?”, IEEE Personal Communications,
April 1995.

4. T. Imielinski, B.R. Badrinath, “Mobile Wireless
Computing : Solutions and Challenges in Data
Management”, Communications of the ACM, Vol.
37, No. 10, October 1994.

5. http://study.com/academy/lesson/communication-wireless-computing-devices-gps-pda-cellular-satellite.html

6. http://www.powershow.com/view/424aa-MjE1Y/Wireless_Mobile_Computing_and_Mobile_Commerce_powerpoint_ppt_presentation

7. http://www.powershow.com/view1/60fbc-ZDc1Z/SESSION__Mobile_Computing_and_Wireless_Communications_--_Overview_powerpoint_ppt_presentation

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2015A7PS150H

2015B5PS682H

2015A7PS119H

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Cloud Computing : a new dimension of mobile computing

loud computing means storing and accessing data and programs over the Internet instead of your computer's hard drive. The cloud is just a metaphor for the Internet. It goes back to the days of flowcharts and presentations that would represent the gigantic server-farm infrastructure of the Internet as nothing but a puffy, white cumulonimbus cloud, accepting connections and doling out information as it floats.

What cloud computing is not about is your hard drive. When you store data on or run programs from the hard drive, that's called local storage and computing. Everything you need is physically close to you, which means accessing your data is fast and easy, for that one computer, or others on the local network. Working off your hard drive is how the computer industry functioned for decades; some would argue it's still superior to cloud computing.

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Introduction to Mobile Computing : A technology that allows transmission of data, via a computer, without having to be connected to a fixed physical link.

Mobile computing is a form of human–computer interaction by which a computer is expected to be transported during normal usage. Mobile computing has three aspects: mobile communication, mobile hardware, and mobile software.

The first aspect addresses communication issues in ad-hoc and infrastructure networks as well as communication properties, protocols, data formats and concrete technologies.

The second aspect is on the hardware, e.g., mobile devices or device components.

The third aspect deals with the characteristics and requirements of mobile applications.

Peeking into the history of this technology , mobile computing is becoming increasingly ubiquitous. From Chromebooks to smartphones and tablets - and even smartwatches and smart glasses - it is possible to carry huge amounts processing power with us each day. But the success of these devices is due at least in part to the pioneering work of many companies in decades past.
Important milestones in portable computing include devices such as single chip calculators, "laptops" that weighed nearly two stone, digital organizers and even a few older Apple inventions.