Departmentals

Question 1

In a synchronous transmission, what is a requirement for the sender and receiver before data transmission?

Answer 1

Synchronized clocks

Question 2

What is one of the characteristics of asynchronous transmission

Answer 2

Parity bit

Question 3

What type of data transmission is commonly used for sending emails?

Answer 3

Asynchronous

Question 4

What does the term GND refer to in electronic circuits?

Answer 4

The reference point for measuring voltages in a circuit.

Question 5

Which of the following accurately describes the flow of data in synchronous transmission?

Answer 5

Data is sent continuously without gaps in between.

Question 6

Which type of serial communications is generally more expensive to implement?

Answer 6

Asynchronous

Question 7

What is the main advantage of using DMA in embedded systems?

Answer 7

High-speed data transfer

Question 8

How do interrupts contribute to real-time responsiveness in embedded systems?

Answer 8

They allow immediate handling of time-sensitive events.

Question 9

Which of the following is an example of an actuator?

Answer 9

Servo motor

Question 10

Arduino Uno, a popular development board based on the ATMEGA 328P microcontroller, it also has built-in DMA capabilities and General-Purpose Input Output pins

Answer 10

False

Question 11

Another common term used to refer to and H-bridge is

Answer 11

Full bridge

Question 12

The majority of memory used for storing user programs or sketches in an Arduino board is?

Answer 12

Flash memory

Question 13

Memory shadowing involves:

Answer 13

Duplication of memory contents in different address spaces

Question 14

What is the primary purpose of ROM in embedded systems

Answer 14

To store firmware, bootloaders, and system configuration data

Question 15

What classification of the embedded systems relative to functionality is the Aircraft Flight Control Systems

Answer 15

Standalone Embedded Systems

Question 16

What was the primary reason for the rise of 16-bit and 32-bit microcontrollers

Answer 16

Requirement for higher processing capabilities

Question 17

During which time period did the rise of 16 and 32 bit microcontrollers occur?

Answer 17

1990s-2000s

Question 18

Embedded systems are primarily used for data storage and retrieval in industrial automation

Answer 18

The statement is FALSE

Question 19

Which of the following is a characteristic of a microcontroller:
1.) small amount of onchip memory
2.) they are typically used in high performance applications
3.) they require external circuity to function
4.) they do not have any i/o pins

Answer 19

1

Question 20

The main driver for the increased adoption of AI and ML in embedded systems is:

Answer 20

Improved decision-making and intelligence

Question 21

The concept of the Internet of Things (IoT) where embedded systems can connect, communicate, and interact with each other and the internet, gained traction during which time period?

Answer 21

2000’s to present

Question 22

What is the role of sensors in embedded systems:
a.) process and display data
b.) provide power to the system
c.) to input commands from the user
d.) to detect and measure physical quantities

Answer 22

To detect and measure physical quantities

Question 23

Which of the following is a key characteristic of an analog signal:
a.) Discrete values
b.) continuous values
c.) digital representation
d.) Binary encoding

Answer 23

continuous values

Question 24

True or False: Actuators convert mechanical motion into electrical signals:

Answer 24

False

Question 25

What type of USB cable is typically used to connect and Arduino Uno R3 to a computer?

Answer 25

USB A to USB B

Question 26

What is the main purpose of an actuator in an embedded system?

Answer 26

conversion of electrical energy into mechanical motions

Question 27

The Arduino Mega 2560 has more digital I/O pins, it has:

Answer 27

54 pins

Question 28

When was the Arduino Uno developed?

Answer 28

2010

Question 29

What are some key features of the Raspberry Pi 3?

Answer 29

Compatibility with a wide range of operating systems

Question 30

What is a memory mapped I/O?

Answer 30

i/o devices are accessed through dedicated memory addresses.

Question 31

This sensor detects and measure the intensity or brightness of the surrounding environment, it is designed to respond to changes in the amount of light in the vicinity.

Answer 31

Light Sensor

Question 32

How many analog pins does an Arduino Uno R3 have?

Answer 32

6

Question 33

Which of the following is a challenge faced by embedded systems in autonomous vehicles?

Answer 33

Limited Power supply

Question 34

In an embedded system project, if multiple power supplies are used how should the GN connections be handled?

Answer 34

All GND connections must be connected directly together.

Question 35

What is the principle on which a DC motor operates?

Answer 35

Electromagnetic induction

Question 36

Which part of the DC motor remains stationary

Answer 36

Stator

Question 37

Why are DC motors well suited for use in robotics

Answer 37

Offers good control over speed and torque

Question 38

FPGA

Answer 38

Field Programmable gate Array

Question 39

PWM

Answer 39

Pulse Width Modulation

Question 40

SoC

Answer 40

System On Chip

Question 41

GPIO

Answer 41

General Purpose Input Output

Question 42

RTOS

Answer 42

Realtime Operating Systems

Question 43

SDK

Answer 43

Software development kit

Question 44

I2C

Answer 44

Inter-integrated Circuit

Question 45

SPI

Answer 45

Serial Peripheral Interface

Question 46

RS in RS 232

Answer 46

Recommended Standard

Question 47

UART

Answer 47

Universal Asynchronous Receiver Transmitter

Question 48

DMA

Answer 48

Direct Memory Access

Question 49

MOSFET

Answer 49

Metal Oxide Semiconductor Field Effect Transistor

Question 50

EEPROM

Answer 50

Electronically Erasable Programmable Read-Only Memory

Question 51

EPROM

Answer 51

Erasable Programmable Read Only Memory

Question 52

DRAM

Answer 52

Dynamic Random Access Memory

Question 53

SCADA

Answer 53

Supervisory Control and Data Acquisition

Question 54

PLC

Answer 54

Programmable Logic Controller

Question 55

Enumeration: Commonly used serial communication protocols

Answer 55

1.) UART 2.) SPI 3.) CAN 4.) I2C

Question 56

Enumeration: Classifications of embedded systems

Answer 56

1.) Functionality 2.) Size and Complexity 3.) Performance 4.) Industry

Question 57

Enumeration: Roles of IO in Embedded Systems

Answer 57

1.) Data Acquisition 2.) Communication 3.) Control

Question 58

Enumeration: Versions of Arduino R4

Answer 58

1.) Minima 2.) Wifi

Question 59

Name of micro controller of Arduino Uno R3

Answer 59

ATMEGA328P

Question 60

In synchronous transmission, data is transmitted in the form of:

Answer 60

blocks or frames

Question 61

How many analog inputs does the Arduino Uno have?

Answer 61

6

Question 62

A simple form of error detection

Answer 62

Parity Bit

Question 63

Refers to the process of collecting data from various sources

Answer 63

Data Acquisition

Question 64

Can be configured as either input or output to communicate with external devices

Answer 64

GPIO

Question 65

This sensor measures the acceleration or tilt

Answer 65

Accelerometer

Question 66

RX and Tx are associated with?

Answer 66

Serial Communication