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DS169 - Module 2 > Module 2 > Flashcards

Module 2 Flashcards

1
Q

Question 1
The CD-ROM, also known as the Compressed Disk Read-Only Memory, used the same physical format as the audio compact disks to store digital data. It encodes tiny pits of digital data into the lower surface of the plastic disc, which allows for larger amounts of data to be stored. In 1990 the first recordable CDs were introduced.

  • True
  • False
A

False

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2
Q

Question 2
The first hard disk in the world is:
- IBM 300 RAM
- IBM 305 RAM
- IBM 305 RMAC
- IBM 300 RMAC

A

IBM 305 RMAC

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3
Q

Question 3
It was developed by Panasonic, Philips, Sony, and Toshiba after a so-called format war.
- USB Flash Drive
- DVD
- CD-ROM
- SD Memory Cards

A

DVD

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4
Q

Question 4
Some countries still use punch cards for vote counts.
- True
- False

A

True

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5
Q

Question 5
This portable storage device made of magnetic film encased in plastic, made storing data it easier and faster. It was commonly used way into the 1990s and later came in 5,25 and 3,5-inch formats.
- Cassette Tape
- SD Memory
- Floppy Disk Cards
- USB Flash Drive

A

Floppy Disk Cards

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6
Q

Question 6
They originally intended to use it for dictation machines, but it unexpectedly became popular for distributing music.
- Cassette Tape
- Floppy Disk
- DVD
- CD-ROM

A

Cassette Tape

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7
Q

Question 7
The companies SanDisk, Matsushita, and Toyota came to an agreement to develop and market the Secure Digital (SD) Memory Card, a card deriving from the MultiMediaCard (MMC).
- True
- False

A

False

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8
Q

Question 8
USB flash drives were invented an Italian company M-Systems by Amir Ban, Dov Moran and Oron Ogdan. It was first sold by IBM in 8MB capacity. A USB Flash Drive uses NAND type flash memory to store digital data. A USB Flash Drive plugs into the USP interface on standard computers.
- True
- False

A

False

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9
Q

Question 9
In the 1940s, the punch cars were standardized with 80 columns and 12 rows, which means a punch card can store a maximum of ___ bits of data
- 1024
- 1064
- 960
- 980

A

960

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10
Q

Question 10
For tape data storage, you can immediately access a data point without going to other data points before it.
- True
- False

A

False

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11
Q

Question 1
________ is important, especially for time-series data that must be accurate for IoT applications.

A

Data Integrity

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12
Q

Question 2
This layer stores data collected from sensors and devices at the edge or cloud for long-term or short-term applications.
- Data Storage
- Data Application
- Data Analytics
- Data Sources

A

Data Storage

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13
Q

Question 3
Moving data from endpoint devices to the edge gateway and the cloud is the obvious choice.
- True
- False

A

True

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14
Q

Question 4
Fast access speed is optional, the accuracy of the stored data is hugely flawless, and the environment where IoT devices are installed is relatively easy.
- True
- False

A

False

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15
Q

Question 5
What is the meaning of V2X?
- Vehicle to network
- Vehicle to anything
- Vehicle to everything
- Vehicle to cloud

A

Vehicle to everything

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16
Q

Question 6
______ is the biggest concern in adopting IoT technology.

A

Security

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17
Q

Question 7
The storage solution for IoT must ensure:
- All of the Above
- Reliability
- Safety
- Data integrity

A

All of the Above

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18
Q

Question 8
For IoT devices in production sites or transportation facilities, not only does the output data vary, but the source is simple.
- True
- False

A

True

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19
Q

Question 9 (2/2 points)
The systems can store and manage those enormous amounts of data for further applications.
- True
- False

A

True

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20
Q

Question 10
______ flash storage, which is gaining a foothold in the consumer electronics market, has gradually become the first choice for storage solutions for IoT devices.

A

NAND

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21
Q

Question 1
________ is a type of data aggregation.

A

OLAP

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22
Q

Question 2
Data aggregation can be implemented automatically or through specialized software
- True
- False

A

True

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23
Q

Question 3
____________ is a process in which data is gathered and represented in a summary form, for purposes including statistical analysis.

A

Data aggregation

24
Q

Question 4
The following are the steps in data aggregation.
1. Collection
2. Processing
3. Presentation
4. Analyzation

True or False?

A

False

25
Q

Question 5
Aggregate data can be numeric or non-numeric.
- True
- False

A

True

26
Q

Question 6
_________ is part of data aggregation steps wherein aggregated data are presented in a summarized format that itself provides new data.

A

Presentation

27
Q

Question 7
Which of the following are data aggregation solutions?
A. Automates key steps of the data aggregation process.
B. Assemble quality data.
C. Transform any data, in any format, from any source.
D. Detect data quality problems early.

A

All except B

28
Q

Question 8
_________ is a type of data aggregation wherein the user uses an individual master personal identification number (PIN) to produce access to their several accounts, including those for financial institutions, airlines, book and music clubs, etc.

A

Screen scraping

29
Q

Question 1
To run IoT analytics, a company needs to hire __________ in several fields.

A

professionals

30
Q

Question 2
Big Data analytics can unlock the true potential of IoT data, opening up several opportunities a company can leverage to get ahead of the competition.
- True
- False

A

False

31
Q

Question 3
__________ of supplies monitor inventories in real-time. A food vending company, with connected machines, can have their machines request restocking based on the depletion of products. This can be triggered when stocks in the machine reach a particular level

A

Regular restocking

32
Q

Question 4
Varying infrastructure needs regular __________. With IoT analysis, pre-set templates can help determine quality predictive maintenance models applied to specific needs.

A

maintenance

33
Q

Question 5
Process efficiency scoring: Every company works with a range of processes in place. IoT analytics can measure the efficiency of these processes and make the necessary changes in them.
- True
- False

A

True

34
Q

Question 6
Dedicated trackers such as Fitbit or other smartwatches have gone beyond tracking steps. You can track your friends ‘ fitness activities, compete with them, message, and even answer the phone by connecting your devices through the Internet.
- Wearables
- Voice-Activated Everything
- Healthcare
- Smart Home

A

Wearables

35
Q

Question 7
Which does not belong to the group?
- Digital assistants are a form of IoT devices.
- Flexible scaling of business needs and expansion in new markets
- Increased visibility and better control, resulting in quicker decision-making
- Reduction in operational costs from automation and better resource utilization

A

Digital assistants are a form of IoT devices

36
Q

Question 8
IoT analytics are usually discussed in tandem with Industrial IoT
- True
- False

A

True

37
Q

Question 9
_________ has a wide range of IoT devices. Bluetooth technology creates hearing aids, records heart and blood pressure, and monitors pulse-based alarm systems that can call for help.
- Voice-Activated Everything
- Smart Home
- Healthcare
- Wearables

A

Healthcare

38
Q

Question 10
Digital assistants are a form of IoT devices. Alexa, Siri, and Google take notes, find information, play music, order cabs, tell the weather, set alarms, and everything else. The internet regularly updates these digital assistants to improve functionality.
- Smart Home
- Voice-Activated Everything
- Healthcare
- Wearables

A

Voice-Activated Everything

39
Q

Question 1
Data Visualization does not combine the new IoT data transmitted from data sensors with the existing data to analyze and bring light to new business opportunities.
- True
- False

A

False

40
Q

Question 2
____ is used to get more statistical detail about the data. You can find out the minimum and maximum values, outliers, etc. It can also help you find out the interquartile range (IQR).
- Violin plot
- Box and whiskers plot
- Distribution plot
- Scatter plots

A

Box and whiskers plot

41
Q

Question 3
It is a blend of both box and distribution plots. You can get the visual description of a distributed data set, whether they are skewness, multimodal, or any other.
- Box and whiskers plot
- Violin plot
- Distribution plot
- Scatter plots

A

Violin plot

42
Q

Question 4
Violin plot is a type of Bivariate data visualization.
- True
- False

A

False

43
Q

Question 5
Data Visualization is referred as the process of representing information or data into a visual context that provides useful insights from the data.
- True
- False

A

True

44
Q

Question 6
Data Visualization helps to make real-time decisions with the combination of multiple data
sources into a single insightful dashboard with multi-layered visual data
- True
- False

A

True

45
Q

Question 7
Pie Chart is a type of Bivariate data visualization.
- True
- False

A

True

46
Q

Question 8
It is used to study the distribution of data. It is also used to find the correlation between two factors plotted as probability density function and histogram.
- Box and whiskers plot
- Violin plot
- Distribution plot
- Scatter plots

A

Distribution plot

47
Q

Question 9
Internet of Things (IOT) and data are not interlinked together as IOT is all about collecting data and making sense of it.
- True
- False

A

False

48
Q

Question 10
It is one of the easy-to-understand data visualization types. They are used to observe changes in a parameter over a time period. It is the most commonly used type by industry analysts.
- Box and whiskers plot
- Violin plot
- Line graphs
- Scatter plots

A

Line graphs

49
Q

Question 1
_________ is a recent area that is growing rapidly that is completely based on the Internet of things.

A

Blockchain

50
Q

Question 2
Internet of things ____________, __________, and climate testing devices can be used to manage and monitor natural resources

A

temperature sensors, soil sensors

51
Q

Question 3
A typical _____ consists of a group of distributed independent sensor nodes that are capable of monitoring some specific activities of human concern consisting of network monitoring, sensing different physical attributes such as temperature, pressure, etc.

A

Wireless Sensor Network

52
Q

Question 4
________ is rapidly growing collection of internet-connected devices embedded in wide-ranging physical entities to develop smart campuses, cities, villages, etc.

A

Internet of things

53
Q

Question 5
There is a huge need for IoT technology and its solutions for the ____ , _____, and ________

A

pharmaceutical industry, health care, other medicine-related domains

54
Q

Question 6
Give five research areas on the Internet of Things.

A
  1. Internet of things for smart cities
  2. Internet of things in business
  3. Internet of things temperature sensor
  4. Attacks on IoT devices and IoT security threats
  5. IoT solutions for the pharmaceutical industry
55
Q

Question 7
____ and ____ are increasing as the IoT applications are growing day by day in the same intensity.

A

IoT threats, IoT attacks

DS169 - Module 2 (2 decks)

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