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Total questions: 105

Worksheet time: 53mins

Name
Class
Date
1.

Embedded system is also called as ______

a)

All the given option

b)

General system

c)

Multi task system

d)

Dedicated system

2.

What are the two types of systems the real-time systems is categorized? Select all that apply.

a)

a & b

b)

None of the given

c)

hard real time

d)

Soft real time

3.

Some specific work has to be done in a specific time period—what are such systems called as?

a)

Network system

b)

Real time

c)

Stand-alone

d)

Mobile system

4.

What are the inbuilt components does an embedded system has?

a)

All the given option

b)

I/O Device

c)

Memory

d)

µP or µC

5.

What can be the CPU of an embedded system?

a)

µp

b)

All the given option

c)

µC

d)

DSP

6.

In which real time systems- missing dead lines may lead to a catastrophic failure of system?

a)

Multi tasking system

b)

Soft real time

c)

hard real time

d)

Networking system

7.

Which unit fetches the instruction from memory- decodes them and executes them?

a)

Execution unit

b)

ALU

c)

Memory unit

d)

Control unit

8.

An embedded system is a combination of _____.

a)

Both a and b

b)

Software

c)

Devices

d)

Hardware

9.

Which of the following are hardware components of an embedded system?

a)

Device peripherals

b)

Computer memory

c)

Computer processor

d)

All the given option

10.

Which of the following is not the hardware components of an embedded system?

a)

Loader

b)

All the given option

c)

Linker

d)

Loader

11.

Which of the following are the embedded components of plug-in based card?

a)

External interfaces

b)

Power supply

c)

All the given option

d)

Memory

12.

Which of the following are current embedded system being used in modern technology?

a)

DSP processors

b)

Microprocessors

c)

All the given option

d)

Micro controllers

13.

Which of the following designed system factors are minimized for an embedded application?

a)

Both a and b

b)

Performance

c)

Cost

d)

Size

14.

WHAT IS THE USE OF ESP8266 NODE MCU

a)

SWITCHES CIRCUIT

b)

MONITOR MOTION

c)

NETWORK PROVIDER

d)

EVALUATE AIR PRESSURE

15.

WHAT IS THE OPERATING VOLTAGE OF NODMCU ESP8266

a)

44623

b)

44654

c)

5

d)

44625

16.

WHAT IS THE OPERATING FREQUENCY OF NODEMCU 8266

a)

30MHz

b)

0 -20MHz

c)

20MHz

d)

80MHZ TO 160MHz

17.

HOW MANY GPIO PINS ARE PRESENT IN ESP8266

a)

40

b)

10

c)

12

d)

16

18.

WHAT IS THE USE OF TX PIN IN ESP8266

a)

GROUND

b)

UPLOAD

c)

DOWNLOAD

d)

POWER PIN

19.

WHAT KIND OF DEVICE IS THE ESP8266

a)

PASSIVE SENSOR

b)

ACTIVE SENSOR

c)

All the given option

d)

NETWORKING DEVICE

20.

IOT STANDS FOR

a)

INTERNET OF TRIGGER

b)

All the given option

c)

INTERNET OF THINGS

d)

INTERNET OF TOUCH

21.

HOW MANY ANALOG PIN PRESENT IN ESP8266

a)

4

b)

3

c)

1

d)

2

22.

NodeMCU 8266 has ___ no. of UART.

a)

2

b)

3

c)

4

d)

1

23.

The size of flash program memory available in NodeMCU 8266 is ___ .

a)

20MB

b)

4MB

c)

12MB

d)

8MB

24.

The microcontroller used in NodeMCU is

a)

ATmega328

b)

PIC 16

c)

ESP8266

d)

PIC18

25.

The operating voltage of NodeMCU is

a)

4V

b)

3.3V

c)

5V

d)

4–5V

26.

What is the use of the ESP8266 WiFi module?

a)

Switches circuits

b)

Monitors motion

c)

Evaluates air pressure

d)

Network provider for wireless connectivity

27.

How many pins are present in the ESP8266 Wifi module

a)

12

b)

50

c)

8

d)

10

28.

The fullform of IDE is

a)

integrated development enable

b)

integrated design environment

c)

Integrated Development Environment

d)

none of the above

29.

The operating voltage for arduino uno is

a)

5v

b)

3-3v

c)

4-5v

d)

4v

30.

Arduino IDE uses a simplified version of ____ programming language

a)

JAVA

b)

none of the above

c)

C PROGRAMMING

d)

PYTHON

31.

The microcontroller used in NODE MCU is

a)

PIC 16F877A

b)

ESP8266

c)

ATmega328

d)

PIC18

32.

The variables which are declared inside the function or a block is called ________

a)

formal variables

b)

none of the above

c)

global variables

d)

local variables

33.

The variables which are declared in the definition of function parameters is called

a)

none of the above

b)

local variables

c)

formal variables

d)

global variables

34.

The variables which are declared outside of all the function is called

a)

global variables

b)

formal variables

c)

none of the above

d)

local variables

35.

An extensive system in C used for declaring variables or functions of different types

a)

codes

b)

Data types

c)

constants

d)

variables

36.

The void keyword is used only in

a)

function declarations

b)

for return

c)

all of the above

d)

inside the loop

37.

The unit of code that is uploaded to and run on an Arduino board is called as

a)

variable

b)

structure

c)

function

d)

sketch

38.

The void setup() function is used to

a)

both a) & b)

b)

none of the above

c)

initialize the variables, pin modes, start using libraries, etc

d)

loops consecutively

39.

The void loop() function is used to

a)

both a) & b)

b)

initialize the variables, pin modes, start using libraries, etc

c)

none of the above

d)

loops consecutively

40.

What is the use of the TX pin?

a)

ground

b)

upload

c)

download

d)

power pin

41.

The full form of IDE is

a)

Integrated Development Environment

b)

none of the above

c)

integrated design environment

d)

integrated development enable

42.

The operating voltage for Arduino Uno is

a)

4 V

b)

5 V

c)

4–5 V

d)

3–3 V

43.

Arduino IDE uses a simplified version of ____ programming language

a)

none of the above

b)

PYTHON

c)

C PROGRAMMING

d)

JAVA

44.

The microcontroller used in NODE MCU is

a)

PIC 16F877A

b)

ESP8266

c)

PIC18

d)

ATmega328

45.

The variables which are declared inside the function or a block is called

a)

local variables

b)

none of the above

c)

formal variables

d)

global variables

46.

The variables which are declared in the definition of function parameters is called

a)

none of the above

b)

global variables

c)

local variables

d)

formal variables

47.

The variables which are declared outside of all the function is called

a)

none of the above

b)

global variables

c)

local variables

d)

formal variables

48.

An extensive system in C used for declaring variables or functions of different types

a)

Data types

b)

constants

c)

variables

d)

codes

49.

The void keyword is used only in _____________

a)

function declarations

b)

inside the loop

c)

for return

d)

all of the above

50.

The unit of code that is uploaded to and run on an Arduino board is called as

a)

structure

b)

sketch

c)

variable

d)

function

51.

The void setup() function is used to

a)

initialize the variables, pin modes, start using libraries, etc

b)

both a) & b)

c)

loops consecutively

d)

none of the above

52.

The void loop() function is used to

a)

both a) & b)

b)

initialize the variables, pin modes, start using libraries, etc

c)

loops consecutively

d)

none of the above

53.

How many voltage levels are present when a pin uses digitalWrite()?

a)

3

b)

4

c)

2

d)

1

54.

Can the digitalWrite() function be used from any analog pin?

a)

No, it cannot

b)

Yes, it can

c)

Yes, it can, but only on certain Arduino Boards

d)

Yes, it can, but only through certain pins

55.

What is the numeric base of the math operations performed in binary?

a)

4

b)

2

c)

3

d)

1

56.

What type of signal does the analogWrite() function output?

a)

Frequency Modulated Signal

b)

Pulse Width Modulated Signal

c)

Pulse Amplitude Modulated Signal

d)

Pulse Code Modulated Signal

57.

Can the analogRead() function be used from any digital pin?

a)

Yes- it can- but only on certain Arduino Boards

b)

No- it cannot

c)

Yes- it can

d)

Yes- it can- but only through certain pins

58.

How many arguments does the shiftOut() function require?

a)

3

b)

2

c)

4

d)

1

59.

What is the name for the library to manipulate data in and out of the EEPROM of the Arduino Board?

a)

eepROM-h

b)

EEPROM-h

c)

eeprom-h

d)

Eeprom-h

60.

What is the use of the Ethernet library?

a)

To connect the Arduino to Li-Fi

b)

To connect the Arduino to Ethernet

c)

To connect the Arduino to Bluetooth

d)

To connect the Arduino to Wi-Fi

61.

What is the maximum number of arguments that the pulseIn() function accepts?

a)

3

b)

4

c)

1

d)

2

62.

Can the digitalRead() function identify analog voltages?

a)

Yes, it can but only 2

b)

Yes, it can

c)

No, it cannot

d)

Yes, it can but only 4

63.

With a pull-up resistor and the button unpressed, the logic state will

a)

logic state vary

b)

no change

c)

logic OFF

d)

logic state ON

64.

What is the resolution of analog readings on the Arduino Uno?

a)

3-3V/100

b)

5V/1024

c)

5V/1023

d)

3-3V/1024

65.

What is the use of the analogReference() function?

a)

To print the analog signal reference voltage

b)

To change the analog signal reference value

c)

To print the digital signal reference voltage

d)

To change the digital signal reference value

66.

On which of the following Arduino Boards does the analogReadResolution() function not work?

a)

Arduino MKR Vidor 4000

b)

Arduino Zero

c)

Arduino Uno

d)

Arduino Due

67.

What happens to the output if the analogReadResolution() function is invoked with a resolution higher than the board’s ADC can physically handle?

a)

The output is padded with ones

b)

The output is not obtained as an error is thrown during run time

c)

The output is padded with zeros

d)

The output is not obtained as an error is thrown during compile time

68.

How many arguments does the analogRead() function have?

a)

4

b)

1

c)

3

d)

2

69.

What is the return type for the shiftOut() function?

a)

null

b)

double

c)

int

d)

long

70.

How many Analog Inputs does Arduino Uno R3 has?

a)

5

b)

6

c)

4

d)

3

71.

What is the maximum operating voltage of the Arduino?

a)

20V

b)

5V

c)

19V

d)

3.3V

72.

What is the operating frequency of the Arduino UNO board?

a)

16 MHz

b)

20 MHz

c)

6 MHz

d)

10 MHz

73.

What is the full form of UART?

a)

Universal Asynchronous Receiver/Transmitter

b)

Universal Asynchronous Radio Transmitter

c)

Universal Asynchronous Rectifier Transistor

d)

Universal Anti-Rectifying Transmitter

74.

In serial communications, into how many sections is a data packet divided?

a)

3

b)

2

c)

1

d)

4

75.

What is the maximum number of arguments the find() function accepts?

a)

1

b)

4

c)

2

d)

3

76.

How many parameters does the flush() function accept?

a)

0

b)

1

c)

2

d)

3

77.

What is the default time limit that is set automatically if no value is passed as the limit to the setTimeout() function?

a)

100 milliseconds

b)

1000 milliseconds

c)

2432 milliseconds

d)

1500 milliseconds

78.

IoT stands for

a)

Industrial Of Things

b)

Internet Of Things

c)

Internet Of Trends

d)

International Of Trends

79.

An IoT can:

a)

All of the above

b)

Talk with other devices

c)

Can connect to the Internet

d)

Collect and send data to the servers

80.

_____ is an advanced automation and analytics system which deals with artificial intelligence- sensor- networking- electronic- cloud messaging etc- to deliver complete systems for the product or services-

a)

1-0 Industrial Revolution

b)

Internet Of Things

c)

VLSI

d)

Data processing

81.

Features of IoT include

a)

Integrating

b)

All of the above

c)

Analyzing

d)

Connectivity

82.

________ are the applications of IoT

a)

House

b)

Office

c)

All of the above

d)

Virtual environment

83.

In IoT a key component that helps us collect live data from the surrounding environment

a)

Controller

b)

Actuator

c)

Sensor

d)

None of the above

84.

________ are the main components in IoT

a)

Network Connection

b)

Low power Embedded system

c)

EuAll of the above

d)

Cloud Computing

85.

In IoT a sensor output can be connected to cloud by means of

a)

Mobile

b)

Satellite

c)

All of the above

d)

WiFi

86.

The output is generally a signal that is converted to ________

a)

Sinewave

b)

Digital Signals

c)

Analog signals

d)

Human-Readable format

87.

All sensors are primarily classified into ___ and ___. Select all that apply.

a)

None Of These

b)

Both a & b

c)

Analog

d)

Digital

88.

Gyroscope–RFID is an example of

a)

Actuator

b)

Protocol

c)

Sensor

d)

Software

89.

The stage 1 of IoT Architecture is commonly

a)

Sensor

b)

Data center

c)

Edge IT

d)

Cloud

90.

____ is an example of high-speed Gateways and Networks to transfer the data coming from sensors

a)

Temperature Sensor

b)

Hardware

c)

LAN

d)

Transducer

91.

Data analysis—management of device and security controls is provided by

a)

Sensor

b)

LAN

c)

Actuator

d)

Data center

92.

In the IoT Architecture, which component is the hardware and software gateways that analyze and pre-process the data before transferring it to the cloud?

a)

Actuator

b)

Sensor

c)

LAN

d)

Edge IT

93.

How many layers are in the Architecture of IoT?

a)

7

b)

5

c)

3

d)

4

94.

In the IoT Architecture, all physical devices are present in which layer?

a)

Layer 3

b)

Layer 4

c)

Layer 1

d)

Layer 2

95.

In the IoT Architecture, all types of connectivity are present in which layer?

a)

Layer 1

b)

Layer 2

c)

Layer 3

d)

Layer 4

96.

In the IoT Architecture, information interpretation occurs in which layer?

a)

Layer 6

b)

Layer 4

c)

Layer 3

d)

Layer 5

97.

In the IoT Architecture, data abstraction is provided in which layer?

a)

Layer 6

b)

Layer 4

c)

Layer 3

d)

Layer 5

98.

How many numbers of the element in the open IoT architecture?

a)

Five elements

b)

Four elements

c)

Six elements

d)

Seven elements

99.

Which of the following is the way in which an IoT device is associated with data?

a)

Internet

b)

Network

c)

Automata

d)

Cloud

100.

Which of the following IoT networks has a very short range?

a)

Short Network

b)

SigFox

c)

LPWAN

d)

Short-range Wireless Network

101.

IIoT stands for

a)

Input Internet Of Things

b)

Internal Internet Of Things

c)

Inter Internet Of Things

d)

Industrial Internet Of Things

102.

_____ uses interconnected smart sensors and edge technology in industrial settings, such as manufacturing, energy, and facilities management, to help businesses run smoothly and utilize data to improve operations.

a)

Industrial IoT

b)

Industrial Revolution 2.0

c)

Industrial Revolution 1.0

d)

Industrial Revolution 3.0

103.

_____ is the use of smart sensors and actuators to enhance manufacturing and industrial processes.

a)

Industrial Revolution 2.0

b)

Industrial Revolution 3.0

c)

Industrial IoT

d)

Industrial Revolution 1.0

104.

Applications of IIoT include

a)

Inventory Management

b)

Smart Packaging

c)

All of the above

d)

Digital Industries

105.

Advantages of IIoT include

a)

Smart Metering

b)

Predictive Maintenance

c)

All of the above

d)

Enhanced safety

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