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Worksheets

CCE Amrita

Total questions: 128

Worksheet time: 2hrs 36mins

Name
Class
Date
1.

What is the type of layer for HTTP?

a)

Transport layer

b)

Application layer

c)

Link layer

d)

Network layer

2.

Key component for Embedded systems?

a)

Web service

b)

Controller service

c)

Micro controller

d)

IOT

3.

 Communication and M2M are which based networks?

a)

IP & Non IP based  

b)

Non IP & IP based  

c)

 none of them

d)

both of them

4.

NETCONF is based on                

a)

 Non volatile Memory

b)

Network Topology

c)

Network management

d)

Network system

5.

An IOT network is a collection of                       devices.

a)

Signal

b)

network

c)

machine

d)

interconnected

6.

How many number of elements in the open IoT architecture.

a)

Three elements

b)

Five elements

c)

Seven elements

d)

Nine elements

7.

In IoT Design Methodology fourth step is

a)

 Domain model

b)

Information Model specification

c)

Service specifications

d)

 IoT Level specifications

8.

What is the real example of a smart grid device in IoT?

a)

Smart speakers

b)

Smart meters

c)

Mobile phone

d)

Television

9.

Cubieboard is powered by

a)

a dual core ARM Cortex A7 processor

b)

a 1GHz ARM Cortex A8  processor

c)

none of them

d)

both of them

10.

 IoT equation IT + OT =

a)

 success

b)

failure

c)

IoT

d)

none

11.

IoT and M2M involves

a)

networking of machines

b)

communication between machines

c)

communicate with external environment

d)

all the above

12.

What is the standard port number of secure MQTT?

a)

 7773

b)

8883

c)

9993

d)

8888

13.

Which one offers high scalable and reliable

a)

Amazon S3

b)

Amazon Dynamo DB

c)

Amazon EMR

d)

Amazon SQS

14.

BeagleBone Black is similar to

a)

Cubieboard

b)

Raspberry pi

c)

 pc Duino  

d)

all the above

15.

SPI full form

a)

System Peripheral Interface

b)

Serial Peripheral Interface

c)

Speed Peripheral Interface

d)

Software Peripheral Interface

16.

The memory for Raspberry pi is

a)

421

b)

512

c)

 621

d)

712

17.

What is the range for z-wire

a)

3000m -30m

b)

300m – 100m

c)

30m – 100m

d)

 all the above

18.

Which of the following touch sensor used in  cell phone?

a)

proximity touch sensor

b)

follow touch sensor

c)

human touch sensor

d)

capacitive touch sensor

19.

Which language does GSN work on

a)

C

b)

C++

c)

Python

d)

Java

20.

In IoT how many levels are there

a)

4

b)

5

c)

6

d)

7

21.

 M2M data can be collected by

a)

point solution

b)

line solution

c)

statement solution

d)

statement solution

22.

In IoT how many steps are involved

a)

5

b)

6

c)

7

d)

8

23.

What is the Arduino UNO?

a)

software

b)

 hardware

c)

network

d)

both a&b

24.

Artificial Intelligence is superset of ________________________ & ________________________ ,

a)

Machine Learning & Neural Networks

b)

Machine Learning & Deep Learning

c)

Deep Learning & Neural Networks

25.

AI is a field of computer science aimed at developing machines which are intelligent enough to do certain tasks that would normally be performed only by (a)  

26.

___________________ is set of algorithms that allows computers to learn from data without being explicitly programmed.

a)

Machine Learning

b)

Deep Learning

c)

Neural Networks

27.

This requires computer scientists to formulate general-purpose learning algorithms that help machines learn more than just one task.

a)

Machine Learning

b)

Deep Learning

c)

Neural Networks

28.

Deep learning is often made possible by artificial neural networks, which imitate ______________, or_____________________.

a)

AI & ML

b)

Neurons or Brain Cells

29.

The neural net models use ___________ and _________________ principles to mimic the processes of the human brain, allowing for more general learning.

a)

Maths & Science

b)

Maths & Computer Science

c)

Human Brain & Science

30.

An artificial neural network tries to simulate the processes of densely interconnected brain cells, but instead of being built from biology, these neurons, or nodes, are built from ___________.

a)

Code

b)

Machine Learning

31.

Machine Learning is a subset of AI. ML deals with developing systems which can improve their performance with _________________.

a)

Experience

b)

Deep Learning

c)

Neural Networks

32.

Most of people are familiar with ______________learning from shopping on the Internet and being offered products related to their purchase.

a)

Machine

b)

Deep

33.

All three of these AI concepts – machine learning, deep learning, and neural networks – can enable hardware and software robots to “think” and act dynamically, outside the confines of _______________.

a)

Code

b)

Human Brain

34.

In a classification problem, the outputs are

a)

categorical or discrete

b)

numerical or continuous

35.

In a regression problem, the output is _

a)

categorical or discrete

b)

numerical or continuous

36.

What is the difference between K-means and KNN Algorithms?

a)

K-means is supervised while KNN is unsupervised

b)

K-Means is used for clustering while KNN is used for classification and regression

37.

KNeighborsClassifier class can be imported as:

a)

from sklearn.ensemble import KNeighborsClassifier

b)

from sklearn.neighbors import KNeighborsClassifier

c)

from sklearn.tree import KNeighborsClassifier

d)

from sklearn import KNeighborsClassifier

38.

Which of the following is FALSE about SVM?

a)

SVM has inbuilt L2 regularization capabilities

b)

SVM solves both classification and regression problems

c)

It does not require any feature scaling

d)

Choosing an appropriate Kernel function is difficult

39.

Which of the following is FALSE about Entropy in context of Decision Tree?

a)

Entropy keeps on increasing as we keep splitting the nodes

b)

Entropy is calculated using Information Gain

c)

None of the above

40.

Which of the following is FALSE about Random Forest and Adaboost?

a)

Random Forest aims to decrease variance and not bias

b)

Adaboost aims to decrease bias not variance

c)

Both Adaboost and Random Forest aim to decrease both bias and variance

d)

None of the above

41.

Which of the following is TRUE about Random Forest and Adaboost?

a)

Order of trees matters in Random Forest

b)

Order of trees matters in Adaboost

c)

Order of trees does not matter in Random Forest and Adaboost

d)

None of the above

42.

Which of the following is FALSE about Boosting?

a)

Each weak learner has equal say in the final decision

b)

Sequence in which each weak learner is created does not matter

c)

None of the above

43.

Which of the following is TRUE about Reinforcement Learning?

a)

It uses rewards and penalty methods to train a model

b)

It is also known as a semi - supervised learning model

c)

Chess playing computer is a good example of reinforcement learning

d)

All of the above

44.

Which of the following algorithm is called Lazy Learner?

a)

KNN

b)

SVM

c)

Naive Bayes

d)

Decision Tree

45.

Which of the following is NOT an example of hyper-parameter?

a)

Number of nearest neighbors in KNN

b)

Number of outliers in KNN

c)

Depth of a Decision Tree

d)

Number of trees in a Random Forest

46.

Which of the following is FALSE about Tuples in Python?

a)

Tuples are immutable

b)

Tuple items can be deleted using del keyword

c)

Tuples can be declared as: x,y=1,2

d)

None of the above

47.

Which of the following is TRUE about Random Forest?

a)

Random Forest aims to decrease both variance and bias

b)

Random Forest aims to decrease variance not bias

c)

Random Forest aims to decrease bias not variance

d)

None of the above

48.

Dimensionality Reductions is useful because it:

a)

reduces overfitting

b)

reduces computation time

c)

removes multicollinearity

d)

All of the above

49.

What do minimum missing value ratio represent?

a)

The number of missing values in a dataset

b)

The number of minimum missing values for an operation to be performed

c)

The number of missing values in a column

d)

The minimum ratio of missing values to all values in a column for cleaning to be performed

50.

Which of these are not displayed when you see the import data result visualization?

a)

Unique values

b)

Missing values

c)

Standard deviation

d)

Mode

51.

Compute target is the target variable whose value is to predicted.

a)

True

b)

False

52.

'Convert to CSV' module is a part of which section?

a)

Data Input and Output

b)

Data Transformation

c)

Model Training

d)

None of the above

53.

The key challenge to successfully train a machine learning model

a)

Feature engineering and selection

b)

Selection of the algorithm

c)

Tuning of the hyperparameters

d)

Evaluation of the metrics

e)

All the above

54.

(a)   is a domain of AI related to data systems and processes, in which the system collects numerous data, maintains data sets and derives meaning/sense out of

them.

55.

Domain of the AI used by price comparison websites is

a)

Data Science

b)

NLP

c)

CV

56.

The __________ helps us to summarise all the key points of Problem Scoping.

a)

Problem Statement Template

b)

4 Ws Problem canvas

c)

Data Features

57.

The basis of decision making depends upon the availability of information and how we experience and understand it. ‘Information’ includes:

a)

Past experience

b)

Intuition

c)

Knowledge

d)

All of the above

58.

Under this block, you also gather evidence to prove that the problem you have selected actually exists. Identify the block of 4W problem canvas.

a)

Who

b)

what

c)

where

d)

why

59.

An air conditioner can be turned on and off remotely with the help of internet is an example of:

a)

Augmented Reality

b)

Automation

c)

Internet of Things

60.

The AI domain which can be used to predict AIR quality index is

a)

NLP

b)

CV

c)

Data Science

61.

Which of the following is not an AI application?

a)

Google Maps

b)

Writing suggestion in gmail

c)

Face Recognition

d)

Kahoot

62.

What is a benefit of artificial intelligence?

a)

The artificial intelligence reduce the probability of error

b)

Decreases the work efficiency.

c)

Increases the cost of personal and training

63.

The kind of machine learning where instances must be sorted into categories:

a)

regression problem

b)

classification problem

c)

expert system

64.

Which one requires that features be specified by the programmer in advance?

a)

deep learning

b)

machine learning without neural networks

65.

Deciding whether an email is spam or not:

a)

regression problem

b)

classification problem

c)

expert system

66.

Classification problem with machine learning from unlabelled instances, which are grouped in clusters that have close values for features:

a)

supervised learning

b)

unsupervised learning

c)

reinforcement learning

67.

Kind of learning in which a robot or software bot learns to make the right decisions to achieve a goal, over a great many different trials:

a)

supervised learning

b)

unsupervised learning

c)

reinforcement learning

68.

Which one of these is not an area of AI?

a)

computer vision/image recognition

b)

voice recognition

c)

web design

d)

robotics

69.

Translation:………………

a)

computer vision

b)

robotics

c)

Natural Language Processing

70.

Human face recognition:………………

a)

computer vision

b)

robotics

c)

Natural Language Processing

71.

Voice to text:………………

a)

computer vision

b)

robotics

c)

Natural Language Processing

72.

I can do only one task, but I do it perfectly.

a)

Narrow AI

b)

General AI

c)

Super AI

73.

Is automatic dishwasher example of A.I ? If not why?

a)

Yes

b)

No, coz it is example of automation

c)

No, coz it requires human input

d)

Both b and c

74.

In Amplitude Modulation, the instantaneous values of the carrier amplitude changes in accordance with the instantaneous amplitude of the modulating signal.

a)

True

b)

False

75.

What is the circuit used for producing AM called?

a)

Modulator

b)

Transmitter

c)

Receiver

d)

Duplexer

76.

Modulation is required because

a)

antenna height is reduced

b)

Frequency division multiplexing is possible

c)

Bandwidth expansion is possible

d)

All of the above

77.

The ratio between the modulating signal voltage and the carrier voltage is called?

a)

Amplitude modulation

b)

Modulation frequency

c)

Modulation index

d)

Ratio of modulation

78.

What is the percentage of modulation if the modulating signal is of 7.5V and carrier is of 9V?

a)

100

b)

91

c)

83.33

d)

0

79.

When does over-modulation occur?

a)

Em=Ec

b)

Em<Ec

c)

Em>Ec

d)

None of the above

80.

What is the condition for greatest output power at the transmitter without distortion?

a)

Modulating signal voltage > Carrier voltage

b)

Modulating signal voltage < Carrier voltage

c)

Modulating signal voltage = Carrier voltage

d)

Modulating signal voltage = 0

81.

What is the modulation index value if Emax=5.9v and Emin=1.2v?

a)

0.5

b)

0.662

c)

0.425

d)

0.14

82.

Which of the following modulating signal voltage would cause over-modulation on a carrier voltage of 10v?

a)

9.5

b)

9.99

c)

10

d)

12

83.

In an AM wave useful power is carried by

a)

carrier

b)

sidebands

c)

both sidebands and carrier

d)

none of the above

84.

In amplitude modulation, bandwidth is ……………. the audio signal frequency

a)

twice

b)

thrice

c)

four times

d)

not related

85.

Overmodulation results in

a)

Weakening of the signal

b)

Excessive carrier power

c)

Distortion

d)

None of the above

86.

As the modulation level is increased, the carrier power

a)

Is increased

b)

Remains the same

c)

Is decreased

d)

None of the above

87.

By suppressing carrier component from AM wave, we have

a)

DSB-SC

b)

SSB-SC

c)

VSB

d)

NONE OF THE ABOVE

88.

If the Modulation index ‘m’ of AM is 0.4 then what is the % of Modulation is

a)

50%

b)

40%

c)

80%

d)

20%

89.

The ring modulator is used for which type a modulation ___

a)

DSB-FC

b)

DSB-SC

c)

SSB-SC

d)

VSB

90.

NON LINEAR DEVICE USED IN ENVELOPE DETECTOR IS

a)

Diode

b)

transistor

c)

FET

d)

All of the above

91.

The Balance Modulator generates the

a)

SSB-SC

b)

DSB-SC

c)

VSB

d)

DSB-FC

92.

Phase shift method is

a)

Includes two balanced modulators

b)

Two phase shifting networks

c)

Avoids the use of filters

d)

All of the above

93.

SSB can be used to transmit

a)

TWO SIDEBANDS

b)

ONE SIDEBAND

c)

CARRIER

d)

TWO SIDEBANDS AND CARRIER

94.

The register which holds the address of the location to or from which data are to be transferred is called

a)

Index Register

b)

Instruction Register

c)

Memory Address Register

d)

Memory Data Register

95.

The register used as a working area in CPU is

a)

Program Counter

b)

Instruction Register

c)

Instruction Decoder

d)

Accumualtor

96.

The device which is used to connect a peripheral to bus is called . Control register B. Interface C. Communication protocol D. None of these

a)

Control Register

b)

Interface

c)

Communication Protocol

d)

None of these

97.

Which of the following register is used in the control unit of the CPU to indicate the next instruction which is to be executed ?

a)

Accumulator

b)

Index Register

c)

Instruction Decoder

d)

Program Counter

98.

The function of program counter (PC) holds

a)

Temporary

b)

Address for Memory

c)

memory Operand

d)

Address of Instruction

99.

Which of the following is not a form of memory ?

a)

Instruction Cache

b)

Instruction Register

c)

Instruction Opcode

d)

Both (A) and (B)

100.

A dynamic RAM consists of

a)

6 Transistors

b)

2 Transistors and 2 Capacitors

c)

1 Transistor and 1 capacitor

d)

None of These

101.

Four memory chips of 16 x 4 size have their address bases connected together. The system will be of size

a)

64 X 64

b)

16 X 16

c)

32 X 16

d)

256 X 1

102.

Microprocessor 8085 is the enhanced version of ......... with essentially the same construction set

a)

4800

b)

6800

c)

8080

d)

8088

103.

The stack pointer in the microprocessor is a ______

a)

16 bit register that points to stack memory locations

b)

32 bit accumulator

c)

memory location in the stack

d)

flag regsiter used for the stack

104.

Transport layer aggregates data from different applications into a single stream before passing it to ____________

a)

Network Layer

b)

Data Link Layer

c)

Application Layer

d)

Physical Layer

105.

Transmission control protocol ___________ .

a)

is a connection-oriented protocol

b)

uses a three way handshake to establish a connection

c)

receives data from application as a single stream

d)

all of the mentioned

106.

An endpoint of an inter-process communication flow across a computer network is called __________.

a)

Socket

b)

Pipe

c)

Port

d)

Machine

107.

Which one of the following is a version of UDP with congestion control?

a)

Data Congestion Control Protocol

b)

Steam Control Transmission Protocol

c)

Structured Stream Transport

d)

User Congestion Control Protocol

108.

Which network topology requires a central controller or hub?

a)

Mesh

b)

Ring

c)

Star

d)

Bus

109.

Data communication system within a building or campus is________

a)

WAN

b)

LAN

c)

MAN

d)

PAN

110.

Which of the following tasks is not done by data link layer?

a)

Framing

b)

Error Control

c)

Flow Control

d)

Channel Coding

111.

Automatic repeat request error management mechanism is provided by ________

a)

logical link control sublayer

b)

media access control sublayer

c)

network interface control sublayer

d)

application access control sublayer

112.

Which of the following is the multiple access protocol for channel access control?

a)

CSMA/CD

b)

CSMA/CA

c)

Both CSMA/CD & CSMA/CA

d)

HDLC

113.

The data link layer takes the packets from _________ and encapsulates them into frames for transmission.

a)

network layer

b)

physical layer

c)

transport layer

d)

application layer

114.

The ____ translates internet domain and host names to IP address.

a)

routing information protocol

b)

domain name system

c)

network time protocol

d)

internet relay chat

115.

Application layer protocol defines:

a)

types of messages exchanged

b)

message format, syntax and semantics

c)

rules for when and how processes send and respond to messages

d)

all of the mentioned

116.

The protocol data unit(PDU) for the application layer in the Internet stack is?

a)

Segment

b)

Datagram

c)

Message

d)

Frame

117.

Which of the following is public IP address ?

a)

10.15.14.12

b)

192.168.52.62

c)

172.32.1.1

d)

None of the Above

118.

If subnet mask 255.255.255.224, which of the following will be Direct Broadcast address ?

a)

202.15.19.127

b)

202.15.19.63

c)

Both a and b

d)

None of the above

119.

In class C , if subnet mask is 255.255.255.224 then calculates number of subnet?

a)

6

b)

8

c)

4

d)

None of the above

120.

If Direct Broadcast Address of subnet is 201.15.16.31. Which of the following will be subnet mask ?

a)

255.255.255.240

b)

255.255.255.192

c)

255.255.255.198

d)

None Of the Above

121.

Transmission media are usually categorized as:

a)

Fixed or unfixed

b)

Guided or unguided

c)

Determinate or indeterminate

d)

Metallic or non-metallic

122.

Transmission media lie below

a)

Physical

b)

Application

c)

Data link

d)

Network

123.

Which of the following uses guided media?

a)

Cellular telephone system

b)

Radio broadcast

c)

Local telephone system

d)

Satellite system

124.

Protocol for Network virtual terminal is___________

a)

FTP

b)

HTTP

c)

Telnet

d)

SMTP

125.

Which two layers of OSI are merged in network access layer of TCP IP model?

a)

Application, Presentation

b)

Data link, Physical

c)

Network, Data link

d)

None

126.

Which one of them is not application layer protocol?

a)

TCP

b)

HTTP

c)

FTP

d)

SMTP

127.

Segmentation and reassembly is done at __________ layer

a)

Session

b)

Presentation

c)

Transport

d)

Data Link

128.

Framing is done at _________ layer

a)

Physical

b)

Transport

c)

Data Link

d)

None

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