WorksheetsES & IOT Quiz 3
Total questions: 25
Worksheet time: 25mins
Name
Class
Date
1.
The_______unit fetches the instruction from memory, decodes them and executes them
a)
Memory unit
b)
Execution unit
c)
Control unit
d)
ALU
2.
Embedded system can be defined as ___________ that does a specific focussed job
a)
Motor
b)
Computing device
c)
Microprocessor
d)
Microcontroller
3.
What is Arduino?
a)
Programming language
b)
Image editing software
c)
Open-source electronics platform
d)
Text editor
4.
CoAP provides which of the following requirements?
a)
Multicast support and simplicity
b)
Low overhead and multicast support
c)
Simplicity and low overhead
d)
Multicast support, Low over head, and simplicity
5.
Which layer is CoAP?
a)
Control layer
b)
Transport layer
c)
Service layer
d)
Application layer
6.
Choose the input device
a)
Sensor
b)
Actuator
c)
NODEMCU
d)
Cloud computing
7.
Which is the 1st layer of IoT system?
a)
Application
b)
Physical Devices
c)
Data Accumulation
d)
Data Analysis
8.
What is the full form of EEPROM?
a)
Electrically Encoded Programmable Read Only Memory
b)
Electrically Encoded Programmable Read Only Memory
c)
Electrically Erasable Programmable Read Only Memory
d)
Electronic Embedded Programmable Read Only Memory
9.
What is the use of the Vin pin present on some Arduino Boards?
a)
To ground the Arduino Board
b)
To power the Arduino Board
c)
To provide a 5V output
d)
Is used for plugging in 3V supply
10.
What is the type of waves that the ESP8266 WiFi Module detects?
a)
Infrared Signal
b)
Radio Signal
c)
DC Signal
d)
Hybrid Signal
11.
How to provide the voltage to the NODEMCU?
a)
Through micro USB
b)
VOLTAGE REGULATOR
c)
Using USB port
d)
12 V Adapter
12.
The _______ system take input, process them and produces the desired output.
a)
Stand alone system
b)
Real time system
c)
Mobile system
d)
Network information system
13.
Real time systems are categorized as ______systems &______ systems
a)
Soft real time
b)
Hard real time
c)
a & b
d)
None
14.
In _______ real time systems, missing dead lines may lead to a catastrophic failure
a)
Soft real time
b)
Hard real time
c)
Multi tasking system
d)
Networking system
15.
Which is the hard Real time system?
a)
ECG Machine
b)
Missile
c)
Computer
d)
Internet
16.
The software residing on the memory chip is also called as______
a)
BIOS
b)
Program
c)
Firm ware
d)
RAM
17.
What mode should we put the Arduino pin to, in order for object detection to work with the Ultrasonic Sensor?
a)
TDM
b)
PCM
c)
Analog
d)
Digital
18.
MQTT is mainly used for __________
a)
M2M communication
b)
Device communication
c)
Internet communication
d)
Wireless communication
19.
Which of the following is not a type of cloud?
a)
Private
b)
Public
c)
Protected
d)
Hybrid
20.
Which challenge comes when we use many devices on the same network?
a)
Security
b)
Signaling
c)
Presence detection
d)
Power consumption
21.
How many analog pins are used in Arduino Mega board?
a)
12
b)
16
c)
8
d)
14
22.
What is the use of the Arduino.h header file?
a)
It enables the programmer to access all of Arduino’s core functionality
b)
It doesn’t have any use and can be omitted at any point of time in the code
c)
It gives root access to the microcontroller’s file system
d)
It allows other people to create libraries for the Arduino code
23.
What is the optimum supply current that is required to operate the ESP8266 WiFi Module?
a)
28 A
b)
13 mA
c)
100 mA
d)
50mA
24.
While writing a code for using ESP8266 with wifi, we need to specify the SSID. What is it?
a)
Service Set Identifier
b)
It's the password of the local wifi
c)
It's the time of connection
d)
None of these
25.
Give an example of hard real time system
a)
Unix
b)
Air traffic Control
c)
windows
d)
RT linux
100 %
