QUIZ ON : INTERNET OF THINGS AND ITS APPLICATIONS - INTRODUCTION TO IOT APPLICATIONS DEVICES, PROTOCOLS, COMMUNICATION MODEL

INTRODUCTION TO IOT APPLICATIONS DEVICES, PROTOCOLS, COMMUNICATION MODEL

00:00:00

What is the full form of POS?

Option A. Point of Sale
Option B. Post of sales
Option C. Point of sold
Option D. None
True Answer A

Explanation :

What is the full form of POS?

Question No# : 01 out of 20


The DLL extension stands for

Option A. Dynamic link library
Option B. Data link library
Option C. Double link library
Option D. Dual link library
True Answer A

Explanation :

The DLL extension stands for

Question No# : 02 out of 20


Which layer protects earth from harmful rays of the sun?

Option A. Ionosphere
Option B. Ozone layer
Option C. Troposphere
Option D. Magnetosphere
True Answer B

Explanation :
The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. It contains high concentrations of ozone (O3) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere.

Which layer protects earth from harmful rays of the sun?

Question No# : 03 out of 20


Arithmetic calculations can be done in Excel

Option A. TRUE
Option B. FALSE
Option C.
Option D.
True Answer A

Explanation :

Arithmetic calculations can be done in Excel

Question No# : 04 out of 20


A court is to a judge as ___________ is to a teacher.

Option A. a student
Option B. a punishment
Option C. a syllabus
Option D. a school
True Answer D

Explanation :
A ‘court’ is for a ‘judge’ as a ‘school’ is for a ‘teacher’. Court is a place where a judge works. Similarly, school is a place where a teacher works.

A court is to a judge as ___________ is to a teacher.

Question No# : 05 out of 20


Find the square root of :

Option A. 200
Option B. 240
Option C. 256
Option D. 144
True Answer B

Explanation :
√(272)2-(128)2 =√(272+128) (272-128) =√(400) (144) =20×12

Find the square root of :

Question No# : 06 out of 20


Internet uses

Option A. Packet switching
Option B. Telex switching
Option C. Circuit switching
Option D. Telephone switching
True Answer A

Explanation :

Internet uses

Question No# : 07 out of 20


Contents of locker are

Option A. only known to hirer
Option B. known to Bank
Option C. Both (a) & (b)
Option D. None of above
True Answer A

Explanation :

Contents of locker are

Question No# : 08 out of 20


If then is

Option A. 3.8
Option B. 4
Option C. 3.5
Option D. 5
True Answer C

Explanation :

If then is

Question No# : 09 out of 20


When you link an object, the actual data remains separate from the client data

Option A. TRUE
Option B. FALSE
Option C.
Option D.
True Answer A

Explanation :

When you link an object, the actual data remains separate from the client data

Question No# : 10 out of 20


Which of the following are used to generate a message digest by the network security protocols?

(P) RSA
(Q) SHA-1
(R) DES
(S) MD5

Option A. P and R only
Option B. Q and R only
Option C. Q and S only
Option D. R and S only
True Answer C

Explanation :
SHA1 and MD5 algorithms are used to generate a message digest by the network security protocols. So, C is the correct answer.

Which of the following are used to generate a message digest by the network security protocols?

(P) RSA
(Q) SHA-1
(R) DES
(S) MD5

Question No# : 11 out of 20


Four branches of a company are located at M, N, O, and P. M is north of N at a distance of 4 km; P is south of O at a distance of 2 km; N is southeast of O by 1 km. What is the distance between M and P in km?

Option A. 5.34
Option B. 6.74
Option C. 28.5
Option D. 45.49
True Answer A

Explanation :

 

 

 

 

Four branches of a company are located at M, N, O, and P. M is north of N at a distance of 4 km; P is south of O at a distance of 2 km; N is southeast of O by 1 km. What is the distance between M and P in km?

Question No# : 12 out of 20


The cost function for a product in a firm is given by 5q2, where q is the amount of production. The firm can sell the product at a market price of ₹ 50 per unit. The number of units to be produced by the firm such that the profit is maximized is

Option A. 5
Option B. 10
Option C. 15
Option D. 25
True Answer A

Explanation :

 P = 50q – 5q2

 p is maximum at 50 – 10q = 0 or, q = 5
Else check with options.

The cost function for a product in a firm is given by 5q2, where q is the amount of production. The firm can sell the product at a market price of ₹ 50 per unit. The number of units to be produced by the firm such that the profit is maximized is

Question No# : 13 out of 20


Each computer connected to the internet must

Option A. have a modern connection
Option B. be an IBM PC
Option C. have a unique IP address
Option D. be internet compatible
True Answer C

Explanation :

Each computer connected to the internet must

Question No# : 14 out of 20


A company needs to develop digital signal processing software for one of its newest inventions. The software is expected to have 40000 lines of code. The company needs to determine the effort in person-months needed to develop this software using the basic COCOMO model. The multiplicative factor for this model is given as 2.8 for the software development on embedded systems, while the exponentiation factor is given as 1.20. What is the estimated effort in person -months?

Option A. 234.25
Option B. 932.50
Option C. 287.80
Option D. 122.40
True Answer A

Explanation :

 Effort person per month = a.(KDSI)3
KDSI = kilo LOC
= 2.8 × (40)1.20
= 2.8 × 83.6511
= 234.25 person per month

A company needs to develop digital signal processing software for one of its newest inventions. The software is expected to have 40000 lines of code. The company needs to determine the effort in person-months needed to develop this software using the basic COCOMO model. The multiplicative factor for this model is given as 2.8 for the software development on embedded systems, while the exponentiation factor is given as 1.20. What is the estimated effort in person -months?

Question No# : 15 out of 20


In Excel, Rows are labelled as ______

Option A. A, B, C, etc
Option B. 1,2,3 etc
Option C. A1, A2, etc.
Option D. $A$1, $A$2, etc.
True Answer B

Explanation :

In Excel, Rows are labelled as ______

Question No# : 16 out of 20


Encryption can be done

Option A. Only on Textual data
Option B. only on ASCII coded data
Option C. On any Bit String
Option D. only on mnemonic data
True Answer C

Explanation :

Encryption can be done

Question No# : 17 out of 20


Find the odd one out.

Option A. Theory of learning to learn
Option B. Theory of identical elements
Option C. Drive reduction theory
Option D. Theory of generalization
True Answer C

Explanation :
Theory of learning to learn, the theory of identical elements, the theory of generalization all are the theory of learning. While drive reduction theory is a theory of motivation.

Find the odd one out.

Question No# : 18 out of 20


The expressions on the both sides of a logical operator are always evaluated.

Option A. TRUE
Option B. FALSE
Option C.
Option D.
True Answer B

Explanation :

The expressions on the both sides of a logical operator are always evaluated.

Question No# : 19 out of 20


Which of this not a input device

Option A. Joystick
Option B. Keyboard
Option C. Printer
Option D. Mouse
True Answer C

Explanation :

Which of this not a input device

Question No# : 20 out of 20



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