1.IoT stands for?
(a) Internet work of Things
(b) Internet of Things
(c) Interconnection of Things
(d) Inter connectivity of things
ans.Internet work of Things
2. It is an emerging concept where different devices, appliances and objects which are not categorized as computing devices are connected to internet can communicate with each other?
(a) Internet work of Things
(b) Interconnection of Things
(c) Internet of Things
(d)Inter connectivity of things
ans. Internet of Things
3. The term “Internet of Things” (IoT) was first used in?
(a)1999
(b)1998
(c) 1997
(d) 1996
ans. 1999
4. The term “Internet of Things” (IoT) was first used by whom?
(a)Jeff Bezos
(b)Bill Gates
(c) Steve Jobs
(d) Kevin Ashton
ans. Kevin Ashton
5. It is a connection of various kind of devices that sense and analyse the data and communicates with each other over the networks?
(a)IoT Entropy
(b)IoT Ecosystem
(c)IoT Network
(d) IoT sub net
ans. IoT Ecosystem
6. These devices are connected with different type of devices over the following networks?
(a) Ethernet
(b) Fiber Optic network
(c) G P S, Wi-Fi RFID
(d) All of the above
ans. All of the above
7. Their main task is to get necessary data from surrounding and pass it further to data base or processing systems?
(a) Gateway
(b) Micro controllers
(c) Processor
(d)Sensors
ans. Sensors
8. Their main job is to process raw data collected by the sensors and transform them into some meaningful information?
(a) Gateway
(b)Micro controllers
(c) Processor
(d) sensors
ans. Processor
9. Their Main task is to route the processed data and transfer it to databases or network storage for proper utilization .In other words gateway helps in communication of the data?
(a)Gateway
(b) Microcontrollers
(c) Processor
(d) Sensors
ans. Gateway
10. They provide an interface to the user to interact with that data?
(a) Gateway
(b) Applications
(c) Processor
(d) Sensors
ans. Applications
11. It is like a small computer with a microprocessor core,memory,and input output (I/O) ports?
(a) IoT Device
(b) Micro controller
(c) Mother board
(d) RAM
ans. Micro controller
12. It “stores” your application program in the micro controller?
(a) ROM
(b) RAM
(c) USB
(d) Hard disk
ans.ROM
13. ……….. are for simple logic or yes/no type input example include closing a switch tripping a wire presenting/not presenting something?
(a) Analog ports
(b) Dual ports
(c) Digital ports
(d) USB ports
ans.Digital ports
14. ……… are for continuous input/output like temperature or speed?
(a) Analog ports
(b)Dual ports
(c) Digital ports
(d) USB ports
ans. Analog ports
15. I2C stands for?
(a) Internet interconnected controller
(b) Inter Integrated controller
(c) Internet interconnected circuit
(d) Inter integrated circuit
ans. Inter integrated circuit
16. The closed loop control system means that the output of the system depends on its?
(a) Feed back
(b) input
(c) Processing
(d)All of the above
ans. input
17. Closed Loop Control System has one or more …… between its output and input?
(a) Control loops
(b) Controller loops
(c) Feedback loops
(d)None of the above
ans. Feedback loops
18. ……… communication represents two or more devices that directly connect and communicate between one another?
(a) Device-to Cloud
(b)Device-to-Gateway
(c) Back end Data Sharing
(d) Device-to-device
ans. Device-to-device
19. ………. communication involves an IoT device connecting directly to an internet cloud service like an application service provider to exchange data and control message traffic?
(a) Device-to Cloud
(b)Device-to-Gateway
(c) Back end Data Sharing
(d) Device-to-device
ans. Device-to Cloud
20. Back end Data sharing extends the single device-to-cloud communication model so that IoT devices and sensor data can be accessed by authorized third parties?
(a)Device-to Cloud
(b)Device-to-Gateway
(c) Back end Data Sharing
(d) Device-to-device
ans. Back end Data Sharing
21 These are devices which detect, collect and record data from its surroundings?
(a) Micro controller
(b) sensors
(c) Actuators
(d) None of the above
ans. sensors
22. This property of a sensor defines the maximum and minimum values of the phenomenon that the sensor can measure?
(a) Sensitivity
(b) Resolution
(c) range
(d) boundary
ans. range
23. This property of a sensor defines minimum change of the measured parameter that causes a detectable change in output signal?
(a) Sensitivity
(b) Resolution
(c) range
(d) boundary
ans. Sensitivity
24. These sensors do not require an external power source to monitor an environment?
(a) active
(b) micro controller
(c) range
(d) passive
ans. passive
25. These sensors do require an external power source to monitor an environment?
(a) active
(b) micro controller
(c) range
(d) passive
ans. active
26. These sensors produce continuous signal?
(a) active
(b) analog
(c) digital
(d) passive
ans. analog
27. These sensors produce discrete signal?
(a)active
(b) analog
(c) digital
(d) passive
ans. digital
28. These sensors measure the amount of heat energy from a source ?
(a) humidity sensors
(b) pressure sensors
(c) proximity
(d) temperature
ans. temperature
29. A………. sensors senses changes in gases and liquids?
(a) humidity sensors
(b) pressure sensors
(c) proximity
(d) temperature
ans. pressure sensors
30. These sensors measure the angular rate or velocity,often defined as a measurement of speed and rotation an axis?
(a) Gyroscope
(b) pressure sensors
(c) proximity
(d) temperature
ans. Gyroscope