Smart Device Mobile Emerging Technologies

Smart Device Mobile Emerging Technologies Coursera Answer. In this post you will get Quiz & Assignment Answer Of Smart Device Mobile Emerging Technologies

 

Smart Device Mobile Emerging Technologies

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Wee- 1

1.
Question 1
Based on the forecast of the global wearable device market (in the lectures), which item is expected to decrease?

1 point

  • Smart watch
  • Smart glass
  • Fitness band
  • Other wearable devices

2.
Question 2
Based on the number of global mobile subscriptions (in the lectures) in Q2 of 2017, what is the proper size comparison?

1 point

  • LTE > HSPA > GSM
  • LTE > GSM > HSPA
  • GSM > LTE > HSPA
  • GSM > HSPA > LTE

3.
Question 3
Based on the global smartphone market share by country (in the lectures) in reference to 2017, what country has the biggest global smartphone market share?

1 point

  • USA
  • China
  • India
  • UK
  • Brazil

 

Week- 2

 

1.
Question 1
This is a WLAN (Wireless Local Area Network) technology that links two or more computing devices using a wireless distribution method. What is it?

1 point

Wi-Fi

Bluetooth

GPS

LTE

2.
Question 2
This is the name of the Wireless Power Consortium’s standard for inductive electrical power transfer. This standard enables wireless transfer of electrical power over a distance of up to 4 cm between the transmission pad and receiver. What is it?

1 point

Qu

IPS

Qi

PMA

3.
Question 3
This is the law that the number of transistors in a dense integrated circuit will double approximately every two years and this rate of growth is projected to continue for at least another decade. What is the name of the law?

1 point

Newton’s law

Ohm’s law

Heinrich’s law

Moore’s law

4.
Question 4
Which of the following is not an advantage of the 10 nm semiconductor technology?

1 point

Power reduction in signal transfer across units

Decreased number of chips that can be designed into same chip area

Transistor activation power reduction

Longer battery life

5.
Question 5
Which of the following is a correct order of the digits in the IP code structure?

1 point

Solids – Liquids

Liquids – Solids

Solids – Gas

Gas – Liquids

Liquids – Gas

6.
Question 6
Which of the following is an incorrect description for PMA (Power Matters Alliance)?

1 point

Resonant coupling

PMA and A4WP merged to form the AirFuel Alliance

Digital transceiver communication

Cloud based power management

7.
Question 7
Which of the following is an incorrect description of resonant wireless charging technology?

1 point

In-band power control

Standardization conducted by the AirFuel (A4WP) group

Compliant with Rezence

Multi device charging is available

8.
Question 8
Which of the following is an incorrect description of GPS characteristics?

1 point

Signal information: Uses GPS satellite signals

Speed: Can always provide immediate location coordinates

Reliability: Can achieve within 1 meter accuracy with sufficient GPS signals

Cost: No cost

 

 

Week- 3

1.
Question 1
Which of following mobile communication systems is the earliest system?

1 point

UMTS (Universal Mobile Telecommunications System)

GSM (Global System for Mobile communications)

AMPS (Advanced Mobile Phone System)

HSDPA (High-Speed Downlink Packet Access)

2.
Question 2
Which of the following is the peak data rate of LTE (Long-Term Evolution, Release 8)?

1 point

Downlink: 3.1 Mbps, Uplink: 1.8 Mbps

Downlink: 168 Mbps, Uplink: 22 Mbps

Downlink: 300 Mbps, Uplink: 75 Mbps

Downlink: 3 Gbps, Uplink: 1.5 Gbps

3.
Question 3
Which of the following is an incorrect description of GSM (Global System for Mobile Communication)?

1 point

Uses FDMA & TDMA combined

It supports VoIP

It supports data transfer speeds up to 9.6 kbps

It features SIM card technology

4.
Question 4
Which of the following is an incorrect description of HSPA+ (Evolved High-Speed Packet Access)?

1 point

HSPA+ is a HSPA evolution

Dual-cell HSDPA is used to combine multiple cells into one

Higher data rate is accomplished by higher order modulation such as 64 QAM

MIMO multiple-antenna technique is not applied

5.
Question 5
Which of the following is a correct order (from left to right) of mobile communication system evolution?

1 point

AMPS – UMTS – GSM – LTE-A

AMPS – GSM – UMTS – LTE-A

GSM – AMPS – UMTS – LTE-A

GSM – UMTS – AMPS – LTE-A

6.
Question 6
Where is the country that the first commercial WCDMA network was opened in 2001?

1 point

USA

China

South Korea

Japan

Finland

7.
Question 7
Among the following mobile communication systems, which was regarded as the first 3G system based on ITU standards?

1 point

HSPA+ (Evolved High-Speed Packet Access)

CMDA2000 1xEV-DO

LTE (Long-Term Evolution)

LTE-A (LTE-Advanced)

8.
Question 8
Which of the following is an incorrect description of UMTS (Universal Mobile Telecommunication System)?

1 point

It is a 3rd generation mobile cellular system

It is an evolution of GSM

Universal unlimited data rates supported

It includes UTRA (UMTS Terrestrial Radio Access)

 

 

Week- 4 

1.
Question 1
The below figure shows a ‘Make before Break’ procedure. What is the corresponding handover type?

1 point

Hard handover

Vertical handover

Fast handover

Soft handover

2.
Question 2
Which of the following is an incorrect description about LTE-A (LTE-Advance) requirements?

1 point

High data rates: Downlink ≥ 3 Gbps, Uplink ≥ 1.5 Gbps

Increased number of simultaneously active subscribers

High spectral efficiency: 30 bps/Hz in Release 10

Improved performance at cell edges: At least 3.0 bps/Hz/cell

3.
Question 3
Which of the following is not a proper description of LTE-A technology?

1 point

ICIC (Inter-Cell Interference Coordination) is used to alleviate the data rate degradation at cell edges due to inter-cell interference by FFR (Fractional Frequency Reuse)

DSA (Dynamic Subcarrier Assignment) is an improved resource allocation scheme upon static allocation that dynamically allocate subcarriers considering channel state conditions

CoMP (Coordinated Multi-Point) helps in handover but does not improve the coverage or system throughput

CS (Coordinated Scheduling) allocates different subcarriers to UEs (User Equipment) at the cell edge to avoid inter-cell interference

CB (Coordinated Beamforming) allocates different beam patterns to UEs at the cell edge to avoid interference and improves the reception performance

4.
Question 4
The following table describes the characteristics of LTE-A CoMP technology. Find the components that properly fill the blanks in ⓐ-ⓑ-ⓒ-ⓓ order among the options below.

1 point

Frequency – Spatial – Single – Multiple

Frequency – Spatial – Multiple – Single

Spatial – Frequency – Multiple – Single

Spatial – Frequency – Single – Multiple

5.
Question 5
Which of the following is the name of the 5G standard of ITU-R?

1 point

IMT-2000

IMT-Advanced

IMT-2020

IMT-2030

6.
Question 6
Which of the following is a correct description about URLLC (Ultra-Reliable and Low Latency Communication) requirements?

1 point

Peak 20 Gbps data rate

Edge 100 Mbps data rate

106 Connections/km^2

Allows up to 10 ms latency

7.
Question 7
Which of the following is an incorrect description about SDN (Software-Defined Network)?

1 point

Decouples the network control and data forwarding paths and functions

Distributed management by using the shortest data path without traversing the core network

Eliminates dependency on complex hardware-based network nodes by using flexible software blocks that are called VNFs (Virtualized Network Functions)

Network control can be directly programmable and the underlying infrastructure is abstracted for applications and network services

8.
Question 8
Which of the following is not a 5G enabling key technology?

1 point

mmWave system

SDN (Software-Defined Network)

NFV (Network Function Virtualization)

CoMP (Coordinated Multi Point) transmission

Network slicing

 

 

Week- 5

1.
Question 1
Which function was newly added to iOS 4?

1 point

MobileMe

Google Street View

Multitasking

Landscape keyboard

2.
Question 2
Choose the wrong connection between the iOS version and its newly added features.

1 point

iOS 2 – App Store and iOS SDK (Software Development Kit)

iOS 3 – MMS (Multimedia Messaging Service) and landscape keyboard

iOS 5 – Siri and iCloud

iOS 7 – Health kit and Home kit

3.
Question 3
Choose the wrong description for iOS.

1 point

Programming language is C++, Objective-C, or Swift

OS family is OS X, UNIX

iOS SDK is available for all computer platforms

Source model is closed but has open source components

4.
Question 4
Choose the right release sequence of Android versions.

1 point

Cupcake → Donut → Éclair → Froyo → KitKat → Gingerbread → Jelly Bean → Ice Cream Sandwich → Honeycomb → Nougat → Marshmallow → Lollipop → Oreo

Éclair → Froyo → Cupcake → Donut → Gingerbread → Jelly Bean → Ice Cream Sandwich → Honeycomb → KitKat → Lollipop → Marshmallow → Nougat → Oreo

Cupcake → Donut → Éclair → Froyo → Gingerbread → Honeycomb → Ice Cream Sandwich → Jelly Bean → KitKat → Lollipop → Marshmallow → Nougat → Oreo

Éclair → Froyo → Cupcake → Donut → Gingerbread → Honeycomb → Jelly Bean → Ice Cream Sandwich → KitKat → Marshmallow → Lollipop → Nougat → Oreo

5.
Question 5
Among the following descriptions on Android versions and corresponding functions, which one is incorrect?

1 point

Cupcake supports Widgets

Froyo supports Wi-Fi Hotspots

KitKat supports 64 bit CPUs

Jelly Bean supports BLE

6.
Question 6
This function is used to exchange small information segments. This technology enables smartphones and other devices to establish radio communication with each other by touching the devices together or bringing them into proximity to a distance of typically 10 cm (3.9 in) or less. This is used for payments, posters, stickers, and advertisements. Google Wallet in Android mainly uses this. This was initially supported in Gingerbread. What is this?

1 point

NFC (Near Field Communication)

SIP (Session Initiation Protocol)

VPN (Virtual Private Network)

Wi-Fi Direct

7.
Question 7
Which of following is not included in the 4 distinct layers of the iOS architecture?

1 point

Core OS layer

Cocoa touch layer

Core services layer

Media services layer

Java API framework

8.
Question 8
The following table describes the characteristics of Android and iOS. Find the components that properly fill the blanks in ⓐ-ⓑ-ⓒ-ⓓ-ⓔ-ⓕ order among the options below.

1 point

Google – Apple – OS X & UNIX – Linux – Low – High

Google – Apple – Linux – OS X & UNIX – Low – High

Google – Apple – Linux – OS X & UNIX – High – Low

Apple – Google – OS X & UNIX – Linux – Low – High

Apple – Google – Linux – OS X & UNIX – High – Low

 

 

Week- 6

Peer-graded Assignment: Peer Review on Project

 

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