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
Offered By ”Yonsei University”
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
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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
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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
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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
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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
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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
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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
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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
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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
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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)
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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
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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
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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
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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
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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
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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)
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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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