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Mobile Computing: Course Name

This document provides an overview of mobile computing. It defines mobile computing as using a computer while on the move and still having network connections. It discusses why mobile computing is useful by enabling connectivity anywhere and anytime. It provides examples of application scenarios like vehicles, smart phones, and disaster relief. It also briefly discusses the history and types of wireless devices that enable mobile computing.

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zaibakhan8
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56 views10 pages

Mobile Computing: Course Name

This document provides an overview of mobile computing. It defines mobile computing as using a computer while on the move and still having network connections. It discusses why mobile computing is useful by enabling connectivity anywhere and anytime. It provides examples of application scenarios like vehicles, smart phones, and disaster relief. It also briefly discusses the history and types of wireless devices that enable mobile computing.

Uploaded by

zaibakhan8
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Mobile Computing

Course Name:
Mobile
Computing
Branch-
BCA-V Semester
Course Code:
13012700

Faculty Name:
Zaiba Khan

Assistant Professor(CSE )
School of
Engineering &
Technology
What is Mobile Computing?

• What is Computing?
Operation of computers

• What is Mobile?
That someone/something can move or be moved
easily and quickly from place to place

• What is Mobile Computing?


Users with portable computers still have network
connections while they move.
Definition?

• A simple definition is…….


Mobile Computing is using a computer (of one kind over
another ) while on the move
OR

• Second definition could be


Mobile Computing is when a (work) process is moved from a
normal fixed position to a more dynamic position.

OR

• Third definition could be


Mobile Computing is when a work process is carried out
somewhere it was not previously possible.
Why to go for Mobile ???

• Enable anywhere/ anytime connectivity


• Bring computer communications to areas
without pre-existing infrastructure
• Enable mobility
• Enable new applications
• An exciting new search area
Application Scenarios
• Vehicles
• Nomadic User What is
• Smart Phones important?

• Home or Office
• Meeting Room/Conference
• Taxi/Police/Fire Squad
• Service Worker
• Disaster Relief & Disaster Alarm
• Games
• Military/ Security
Vehicles
Types of Wireless Devices

• Laptops
• Palmtops
• PDAs
• Cell Phones
• Pagers
• Sensors…..etc
Why Wireless?

• Freedom from wires


– No cost of installing the wires , No bunches of wires
running around e.g. Bluetooth, Wi-Fi
• Global Coverage
– Where wires communication is not feasible or costly
e.g.rurual areas, battle field and outer space.
• Stay Connected
– Anywhere—Anytime
• Flexibility
– Connect to multiple devices simultaneously
Wireless History
• Ancient System: Smoke Signals, Carrier Pigeons…
• Using Light and flags for wireless communication
remained important for the navy until radio
transmission was introduced.
– Even today a sailor has to know some codes
repesented by flags if all other wireless fails.
• James C Maxwell(1831-1879) laying the
theoretical foundation for EM fields with his
famous equations.
• Heinrich Hertz (1857-1894) was the first to
demonstrate the wave character of electrical
transmission through space.
Wireless History (Cont….)

• Radio Invented in the 1880s by Marconi


• The first transatlantic transmission followed in 1901
• In 1951, the first wireless voice transmission was set up
between New York and San Francisco
• Communication Satellites launched in 1960s
• Advances in wireless technology
– Radio, Television, Mobile Telephone , Communication
Satellites
• More recently
– Satellite communication, wireless communications, cellular
technology

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