Mobile Computing2

"With the explosion of mobile devices, software developers must exploit opportunities at the application layer and apply location-and presence-aware data to deliver services relevant to enterprises and consumers." Which of the followings are not aligned with the above statement?

1. enabled us to conduct our daily personal computing and communications activities on the go
2. users today are able to perform the same tasks on their mobile devices as they traditionally performed on their laptops
3. applications within the same company are not integrated
4. the ability to gather dynamic, detailed, relevant information about users is valuable to the enterprise

What are the characteristics of 2G? Choose ONE wrong answer.

1. Voice call and Sending Text Messages
2. FDMA and TDMA modulation techniques
3. Global Systems for Mobile Communication
4. Support for voice call only

What are 3G technologies? Choose ONE wrong answer.

1. View live TV broadcasting in mobile. Get weather updates and news headlines in mobiles
2. It is build on top of 1G, 2G and 2.5G network architecture.
3. Support for fast and HD video streaming.
4. supports greater voice and data capacity and high data transmission at low-cost

In order to achieve mobile computing functions, important features such as mobility has to be enabled. Identify ONE wrong mobility to enabled.

1. Device Mobility
2. Network Mobility
3. Service Mobility
4. Transport Mobility

Below list the differences and similarity between Bluetooth and Infrared, EXCEPT:

1. LOS (Line-Of-Sight)
2. Coverage Distance
3. Wired Network
4. Data Transmissions

Virtual Home Environment - is
to offer a “service” to every user in any network and provide all kinds of services in all types
of terminals while considering the user preferences.

1. True
2. False

Wearable Devices - Smartwatches,Fitbit
Select ONE that is not a function available in general fitbit devices.

1. Pulse Rate
2. Hydration
3. Body Temperature
4. Speed Reading

Select ONE from below that are not related to wearable technology.

1. A wearable computer is a digital device that is either strapped to or carried on a user's body
2. Smart Fabrics
3. Smartphones
4. Augmented reality and wearable technology can combine to create a much more realistic and immersive environment in real time.

Below list the differences between circuit-switched network and packet-switched network, EXCEPT:

1. Use of dedicated / non-dedicated channels
2. for voice/voice over packet data networks
3. Analogue/Digital Transmissions
4. No delay at all times/Delay in delivering packets

Figure 1

Refer to Figure 1 above. Identify one of its weakness.

1. Delay in information delivery
2. Dedicated transmission
3. Digitized voice over packet data
4. No reordering of packets when reaching the destination