Mobile Device

About Mobile Devices
• Mobile devices are
– computers small enough to carry in your pocket
– Increasingly, they combine telephone functionality with
Limited computer capabilities
– Mobile devices operate wirelessly
– synchronize wirelessly with a server or synchronize with a
connection to your main computer.

Mobile Devive Classification
Tablet PCs
Handheld PCs
High-end Smart Phones
Palm-sized PDAs With Integrated Wireless
Palm-sized PDAs
Low-end Smart Phones
Web-enabled phones

Mobile Device VS Desktop/Laptop
• Desktops and laptops
– contain many hardware features and applications
– adequate processing power, RAM, and storage space
– semi-permanent locations

• Mobile devices
must make do with less, but they have other advantages.
– can be taken anywhere at any time
– can help you stay in contact when you are out of the office
– despite their size, they can still do many things that desktops and
laptops do.

Why Mobile ?
• Mobile devices enable us to
– communicate and collaborate in environments that
were previously unavailable
– They free us from the traditional workspace,
making it possible to maintain progress on work
projects even when we are away from our main
computers.

What is mobile work?
• Is it all of the work that takes place away from the
office?
– Anytime anywhere a decision maker can be contacted is a
mobile work location/situation.
• Work life and personal life are interwoven.
– Emergencies happen during personal time,
travel time, offsite work.
• People need to make decisions to resolve crises wherever
they are.
• People need information in order to make informed
decisions.

Mobile Device factors
• Input Mechanism
• Wireless Connectivity
• Device size and weight
• Available memory
• Processor speed
• Screen characteristic (size, color depth)
• Operating system
• Expansion slots (external memory, wireless modems, GPS)
• Battery life
• Integrated features (camera, irDA, Bluetooth, vibrate)
• Software support
• Price
• Style
• Universal (ex : Bluetooth universal)
• Brand /vendor
• User friendliness
• Durability
• Sound quality
• Guarantee

Input Mechanism
1. Keypad
– 12-digit keypad
– T9
• (predictive text)

2. Pen-Based
–Using stylus
• Soft-keyboard (Palm, Pocket PC)
• Character recognition (Pocket PC)
• Graffiti (Palm)
• Handwriting recognition (Tablet PC)

3. Keyboard Input
– Peripheral
– Thumb-sized keyboard
4. Voice Input
– Effective and easy
–Compare to recorded message
– Interactive Voice Response
(Voice XML, SALT)

Wireless Connectivity
1. Two-unit
–Cable connection
–Infrared connection
–Bluetooth connection
• Benefit
– Independent device
– Flexibility
2. Detachable
–Plug-in / clip-on (CF, PCMCIA)
3. Integrated
–Enclose within