INTRODUCTION TO INTERNET OF THINGS: Assignment 1

1. Internet of things(IOT) can be integrated with which of these separate domains

a. Cloud based storage and computing

b. Cyber physical systems

c. Big data networks

d. All of these

Ans: d

2. Which of the following is true

a. IOT is subset of M2M

b. M2M is subset of IOT

c. IOT is subset of CPS

d. CPS is subset of WOT

Ans: b

3. M2M is a term introduced by

a. IOT service providers

b. Fog computing service providers

c. Telecommunication service providers

d. None of these

Ans: c

4. The number of possible addresses can be achieved with IPv6 addressing

a. 2^6

b. 2^26

c. 2^32

d, 2^128

Ans: d

5. Which of the following is the major concern in IPv4 addressing

a. Reliable data transmission

b. Only addressing

c. Provides  multicast addressing

d. All of these

Ans: a

6. Which of the following statements regarding sensors are true

a. Sensors are input devices

b. Sensors can be analog as well as digital

c. Sensors can respond to external stimuli.

d. All of these

Ans: d

7. A transducers

a. Reduces the flow of current in circuit

b. Convert energy of one kind into another

c. Increase the speed of motor

d. Convert a sensor to actuator

Ans: b

8. Potentiometer is which of the following type of sensor

a. Speed sensor

b. Light sensor

c. Position sensor

d. Force sensor

Ans: c

9. Based on the data type, sensors can be classified in which of the two categories

a. Analog and digital

b. Isomorphic and homomorphic

c. Scalar and vector

d. Solid and liquid

Ans: c

10. An actuator is a component of a machine or system, which

a. Senses and transmits data

b. Moves or controls the mechanism of the system

c. Only receives the data from other system

d. None of these

Ans: b

11. A pneumatic actuator converts

a. Force into pressure

b. Pressure into acceleration

c. Pressure into force

d. Force into acceleration

Ans: c

12. A mechanical actuator converts

a. Rotary motion into electrical power

b. Electrical power into rotary motion

c. Rotary motion into linear motion

d. Linear motion into rotary motion

Ans: c

13. Shape memory polymer (SMP) actuators  function similar to

a. Human bone

b. Human muscle

c. Human blood

d. None of these

Ans: b

14. Rack and pinion is an example of

a. Electric actuator

b. Hydraulic actuator

c. Mechanical actuator

d. None of these

Ans: c 

15. Which of the following actuator is used to handle fragile object

a. Tiny actuator

b. Light actuator

c. Soft actuator

d. Hydraulic actuator

Ans: c