NPTEL Data Analytics with Python 2022 Week 1 : Assignment1 Solutions

 

Week 1 : Assignment1

State True or false:

Statement: Data can be generated by machines but not by humans.

 True

 False

1 point

Which one of the following is not a classification of Data Analytics?

 Diagnostic analytics

 Deceptive analytics

 Predictive analytics

 Prescriptive analytics

1 point

State True or false:

Statement: Nominal scale is the lowest level of measurement and ratio scale is the highest level of measurement.

 True

 False

1 point

Consider the following statements-  Statement A : With iloc, we can pass in the negative value.  Statement B : With loc, we can pass in the negative value. 

 A and B are correct 

 Both are false 

 A is correct B is false

 B is correct A is false 

1 point

For getting 4rd, 5th and 7th row of a datafile “df”in Python programming, we can write:

 df.loc[[3,4,6]]  

 df.loc[[4,5,7]]

 df.iloc[3,4,6]

 None of these

1 point

Which of the following is not a measure of dispersion?

 Skewness 

 Kurtosis

 Range

 percentile

1 point

State the following true or false? Statement: Bimodal Data sets contains two modes.

 True 

 False

1 point

Bar Charts are used for :

 Continuous data

 Categorical data 

 Both of these

 None of these

1 point

Median is not applicable to:

 Ordinal data

 Interval data 

 Nominal data

 None of these

1 point

State true or false: Statement: Arithmetic mean is not applicable for ordinal or nominal data

 True

 False

NPTEL Data Analytics with Python 2022 Week 1 : Assignment1 Solutions

netaji gandi Sunday, February 6, 2022

NPTEL Introduction To Industry 4.0 And Industrial Internet Of Things 2022 Week-2

 

Week 2 : Assignment 2

Which of the following is not an example of a biological megatrend of the fourth industrial revolution?

 (a)Genetic sequencing

 (b)Recommender System (IBM Watson)

 (c)Bitcoin

 (d)Cell Modification

1 point

__________ of manufacturing industry in Industry 4.0 incorporates evaluation of relevant issues and performance metrics.

 (a) Infrastructure assessment

 (b) Cost assessment

 (c)Supply chain assessment

 (d)Sustainability assessment

1 point

Which of the following is not an element of globalization?

 (a)Energy price

 (b)Supply Chain Management

 (c)Business Models

 (d)None of the above

1 point

Which of the following incorporates the knowledge of international and local cultures in business models?

 (a)Sustainable modification

 (b)Sustainable customization

 (c)Mass customization

 (d)Mass modification

1 point

Which of the following is true about recession and depression?

 (a)Duration of recession ranges between a few months to 2 years, whereas that of depression is more than 2 years

 (b)Duration of depression ranges between a few months to 2 years, whereas that of recession is more than 2 years

 (c)Duration of recession ranges between a few months to 3 years, whereas that of depression is more than 3 years

 (d)Duration of depression ranges between a few months to 3 years, whereas that of recession is more than 3 years

1 point

Which of the following is true for lean approach?

 (a)Looks from tasks perspective

 (b)Looks from production perspective

 (c)Looks from overall expenditure perspective

 (d)Looks from customers perspective

1 point

Over processing refers to –

 (a)Doing more work in a product than the customer values

 (b)Producing more product sooner than the customers are ready for

 (c)Inactivity period of people due to lack of material or information

 (d)None of the above

1 point

Which of the following types of works can be observed in a product’s value stream?

 (a)Value-added

 (b)Incidental

 (c)Both (a) and (b)

 (d)None of the above

1 point

Which of the following principles should be followed for the implementation of people engagement in a lean production system?

 (a)Learn, Adapt, Do

 (b)Learn, Do, Teach

 (c)Learn, Teach, Adapt

 (d)Adapt, Do, Teach

1 point

Smart and connected products help in _______________by optimizing the resources.

 (a)Enhancing performance

 (b)Enabling remote services

 (c)Assisting in product repairing

 (d)All of the above

1 point

The function of digital layer in a smart business model includes –

 (a)Storing Data

 (b)Analyzing Data

 (c)Processing Data

 (d)All of the above

1 point

Which of the following is an advantage of running smart factories?

 (a)Reduced predictability

 (b)Improved quality

 (c)Increased cost

 (d)Reduced safety

1 point

Which of the following is not a component of a smart factory?

 (a)Smart devices

 (b)Smart engineering

 (c)Smart homes

 (d)Innovation

1 point

Which of the following is a supporting technology for smart factories?

 (a)Smart grid

 (b)Big data

 (c)Both (a) and (b)

 (d)None of the above

1 point

Which of the following is used to operate instruments remotely in smart factories?

 (a)Augmented Reality

 (b)Supply chain

 (c)Both (a) and (c)

 (d)None of the above

NPTEL Introduction To Industry 4.0 And Industrial Internet Of Things 2022 Week-2

netaji gandi Friday, February 4, 2022

NPTEL Introduction To Industry 4.0 And Industrial Internet Of Things 2022 Week-1

 WEEK-1: 

Assignment 1 Answers 

A strain gauge converts __________ to __________.

 (a) Electrical energy, strain

 (b) Strain, electrical energy

 (c)Strain, light energy

 (d)Light energy, strain

1 point

Temperature sensor is a type of ____________ sensor.

 (a)Vector

 (b)Scalar

 (c)Both (a) and (b)

 (d)None of the above

1 point

Solenoid is a type of ____________.

 (a)Actuator

 (b)Digital sensor

 (c)Analog sensor

 (d)None of the above

1 point

A typical accelerometer is a type of ____________.

 (a)Actuator

 (b)Passive Sensor

 (c)Active Sensor

 (d)None of the above

1 point

Which of the following is not a communication protocol for IoT?

 (a)Zigbee

 (b)Wireless HART

 (c)ISA 100

 (d)Y-Wave

1 point

Which of the following topologies is supported by WirelessHART?

 (a)Star

 (b)Mesh

 (c)Both (a) and (b)

 (d)None of the above

1 point

Which of the following is not a type of node defined in the Zigbee protocol?

 (a)Switch

 (b)Coordinators

 (c)End devices

 (d)Routers

1 point

Z-Wave is a simpler and cheaper alternative to ____________ for small to medium range connectivity.

 (a)ISA 100

 (b)6LoWPAN

 (c)Wireless Hart

 (d)Zigbee

1 point

Which of the following is used in ISA 100.11a for resource sharing and collision avoidance?

 (a)CDMA/CSMA

 (b)TDMA/CSMA

 (c)TDMA/CDMA

 (d)None of the above

1 point

Class 3 radios in Bluetooth have an operating range of ______ meter(s).

 (a)100

 (b)10

 (c)1

 (d)0.1

1 point

Which of the following is true for networks of IoT devices?

 (a)Low throughput, high packet loss

 (b)High throughput, low packet loss

 (c)High throughput, high packet loss

 (d)Low throughput, Low packet loss

1 point

CoRE framework views sensors and actuators as _________ resources.

 (a)Energy

 (b)Data

 (c)Web

 (d)None of the above

1 point

QoS level-1 in MQTT is also known as ____________ delivery.

 (a)At most once

 (b)At least once

 (c)Exactly once

 (d)None of the above

1 point

Which of the following is not a type of CoAP message?

 (a)CON

 (b)NON

 (c)NOC

 (d)RST

1 point

Which of the following is true for the traditional XMPP protocol?

 (a)It is a centralized protocol.

 (b)It does not support interoperability between heterogeneous networks.

 (c)It works on top of UDP.

 (d)It is a decentralized protocol.

NPTEL Introduction To Industry 4.0 And Industrial Internet Of Things 2022 Week-1

netaji gandi

Design and Analysis of Algorithms JNTUK R20

 

Design and Analysis of Algorithms JNTUK R20

netaji gandi Monday, January 31, 2022