Transcript Slide 1

Mobile Technology
By:
Stephanie Budd
Mike Celentano
Aaron Lastoff
Mobile Computing

The ability to use
technology
“untethered”
 Not
continuously
connected to the base
or central network

Requires that mobile
computing activity be
connected wirelessly to
and through the internet
or to and through a
private network

Ties the mobile device to
information through the use
of battery powered,
portable, and wireless
devices
History of Mobile Devices
Radio transmitters and wireless
communications systems were base
stations, operated at fixed locations, with
large antenna towers
 1950’s  12 volt automotive electrical
systems gave rise to 12 volt devices such
as two-way radios and mobile rigs

History of Mobile Devices
(Cont.)

Companies such as Motorola sprung
up to support the need for mobile
devices
- Such as taxicab radios, police radios, and
trunk mount systems

Today there is a wide variety of mobile
computing platforms
Mobile and Portable

Mobile

 Wearable
- Vehicular

Today there is a fuzzy
boundary between the
two
 Many
small handheld
phones and computers
will operate on12 volts
Portable
or
handheld

There is a proposal
to have these two
connect by wireless
ad-hoc networks
Wireless Technology

Day to Day transfer of information is
increasing rapidly and new developments
are continually expanding
 Even
so, majority of technology doesn’t
provide as much bandwidth or accessibility as
landlines
 Transmission range for wireless is usually
related to the data transmission speed

The further the wireless signal has to travel  the
less data it can carry per second
Wireless Technology (Cont.)

Most advanced developments of wireless
broadband deliver downstream data

Satellite communications
 Good
transmission rates, but the cost is too
high, typically $1,000 or more
Security
Physical devices along with the data
has to be protected
 Difficult problem

 Poorly
designed communications
protocols
 Raises the issue of how much information
employees are allowed to carry and what
procedures to follow so information
doesn’t get stolen
Mobile Users

Mobileer

One who uses mobile
communications
devices

Three types:
1.
2.
3.
Telecommuters who work
away from office but stay
directly connected to it from
a remote location
Casual telecommuters and
other workers who work a
few days per month outside
the office
Predominantly mobile
employees
A Few Mobile Devices
Laptop computers
 PDAs and handheld PCs
 Calculators
 Pagers
 Smart phones and cell phones
 Task devices

 Bar
code scanners
Laptop Computers

A brief history
 The

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
first laptop?… maybe
1979 by William Moggridge
Used by NASA on space shuttles in the 80’s
340K byte bubble memory
Die cast magnesium case
Folding electroluminescent graphics display screen
1/5 the weight of any model equivalent in performance
Gavilan Computing

First promoted laptop
 Manny
Fernandez was the founder of Gavilan
Computers
 In 1983, it was considered the first fully
functional laptop computer
 Good for executives
The Osborne 1

First true portable computer
 Created
by Adam Osborne in 1981
 It weighed 24 lbs and cost $1795
 5 inch screen
 Modem port
 Two 5 ¼ floppy drives
 Large collection of software
 Battery pack
More Laptop Firsts

1981- Epson HX-20
 Battery
powered
 20 character by 4 line LCD display
 Built in printer

1983- TRS-80 Model 100
 Created
by Bill Gates & Kazuhiko Nishi
 4 lb battery operated portable computer
 Flat, more of a lap top design
Even More of Laptop Firsts

1989- Macintosh Portable
 Produced
by Apple
 Later evolved into Powerbook
How Laptops Work

The Microprocessor
 Internal
instructions
stored in memory
 Access its own
memory
 Receive
instructions
from you

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Keyboard
Mouse
Touchpad
Trackball
 Display


data to you
Cathode ray monitors
LCD displays
How Laptops Work (cont)
 Receive
data through storage devices
Hard drive
 Zip drive
 CD/DVD drive

 Sends
data to:
Printers
 Modems
 Networks

 Powered
by AC or batteries
Disk Drives

Internal hard disk drive
6
to 20GB
 Stores:
Operating systems
 Application programs
 Data files

 Laptops
have less space than desktops
What Laptops Can Do

There are many fields
of use for laptops
 Education
 Presentations
 Note
taking
 Laboratories
 Entertainment
(CD,
DVD, mp3)
 Law Enforcement
 Astronomy (CCD)
 Navigation (GPS)
 Business
PDA’s

Personal Digital
Assistant
 Serves
as an
electronic
organizer/day planner
 Capable of sharing
information with you
computer
 An
extension of a
PC… not a
replacement
 Manage personal info
 Can connect to:


Internet
GPS
 Can
run multimedia
software
Uses of PDA’s

Manage Personal
Information

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store contact
information (names,
addresses, phone
numbers, e-mail
addresses)
make task or to-do lists
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take notes
write memos
keep track of
appointments (date
book, calendar)
remind you of
appointments (clock,
alarm functions)
plan projects
do calculations
keep track of expenses
More Uses For Select Models
 Send
or receive e-mail
 Do word processing
 Play MP3 music files
 Play MPEG movie files
 Get information (news, entertainment, stock
quotes) from the Internet
 Play video games
 Integrate things such as digital cameras and
GPS receivers
The First true PDA?

1978- LC-836MN
 Made
by Toshiba
 Robert Hotto & Judah Klausner
 Main purposes
Store memos
 Store phone numbers
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836 led the way for the future
How Do PDA’s Work

Parts of a PDA
 microprocessor
 operating
system tells microprocessor
what to do
 solid-state memory –
ROM chip
– life
depends on types of
usage
 LCD display
 batteries

65,536 colors, 160 x
160, 240 x 320
 input device
 Mini keyboard, touch
screen, stylus
 input/output ports
 data synchronization
History of Calculators
Origin
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First calculator was
invented by the Chinese
called the Abacus
Was first built within the
year 3000 BC
Was widely used by
merchants and clerks.
History

Wilhelm Schickard
 First
to build automatic
calculator
 Was built in 1623
 Called it the
Calculating Clock
History



French Philosopher
Blaise Pascal
Created the Pascaline
in 1642
Uses
 Thought
his machine
could save labor and
time.
 Also used for taxes
History


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Charles Babbage
“Father of Computing”
Had the first
successful automatic
calculator and is
known for his
precision in
engineering
Time Goes By. . .
Scheutz Calculator- 1853
Brunsviga Type A- 1892
Baldwin Calculator -1873
American Arithmometer- 1898
Finally the 1900’s

IBM 1954
 Comes
out with all transistor calculator.
 1957 release first commercial all transistor
calculator
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
IBM 608
1961 Bell introduces the Punch/Sumlock
Comptometer - ANITA
Technology Gets Better!

Not only was technology better but cost
more too!
 These
machines usually ran $2200- $2500
 This included a thirteen digit capacity
 Average desktop weight was 55lb-100lbs
 Could Add, Subtract, Multiply, Divide, and
sometimes do square roots.
First hand held calculator

Introduced in January 1971
 The
Sharp EL-8
Weighed one pound
 Used a vacuum fluorescent display
 Rechargeable batteries
 Sold for $395
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Scientific Calculators

First pocket
 Hewlett
Packard with the HP-35
 Used RPN (Reverse Polish Notation) or
Postfix Notation.

Texas Instruments also introduced the SR10
Upgrades

The scientific calculators were introduced
to Continuous memory.

Data was retained after calculator was shut off.
First calculator capable of symbolic
computations was the Hp-28
 First graphing calculator was the Casio
fx700G
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Present Day Calculators


In 2002, HP
announces they will
no longer make
calculators anymore
Texas Instruments will
capitalize on their
sleek design of the
new graphing
calculators
The Basic Calculator
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Basic Calculators include
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Keyboard display

Battery or solar powered
Display- LED lights or
Liquid crystal with 8-10
digit display
Electronic circuits
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Ten digits
Equal sign
Four arithmetic functions
Cancel or clear button
On and off
Square root and percents
Can be found in
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Cell phones
Pagers
Wrist watches
Local stores
Sophisticated Calculators
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
Include same functions as basic
Support
 Trigonometry
 Statistics
 Graphs
 Algebra
 Equation solvers
 Financial models
 Scientific notation
 And holds Games
Leading companies
Sharp
 Casio
 Hewlett Packard
 Texas Instruments

Mobile Technology
By:
Stephanie Budd
Mike Celentano
Aaron Lastoff