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Embedded Sys > Departmentals > Flashcards

Departmentals Flashcards

1
Q

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

A

Synchronized clocks

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2
Q

What is one of the characteristics of asynchronous transmission

A

Parity bit

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3
Q

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

A

Asynchronous

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4
Q

What does the term GND refer to in electronic circuits?

A

The reference point for measuring voltages in a circuit.

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5
Q

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

A

Data is sent continuously without gaps in between.

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6
Q

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

A

Asynchronous

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7
Q

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

A

High-speed data transfer

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8
Q

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

A

They allow immediate handling of time-sensitive events.

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9
Q

Which of the following is an example of an actuator?

A

Servo motor

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10
Q

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

A

False

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11
Q

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

A

Full bridge

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12
Q

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

A

Flash memory

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13
Q

Memory shadowing involves:

A

Duplication of memory contents in different address spaces

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14
Q

What is the primary purpose of ROM in embedded systems

A

To store firmware, bootloaders, and system configuration data

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15
Q

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

A

Standalone Embedded Systems

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16
Q

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

A

Requirement for higher processing capabilities

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17
Q

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

A

1990s-2000s

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18
Q

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

A

The statement is FALSE

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19
Q

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

A

1

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20
Q

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

A

Improved decision-making and intelligence

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21
Q

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?

A

2000’s to present

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22
Q

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

A

To detect and measure physical quantities

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23
Q

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

A

continuous values

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24
Q

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

A

False

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25
Q

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

A

USB A to USB B

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26
Q

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

A

conversion of electrical energy into mechanical motions

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27
Q

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

A

54 pins

28
Q

When was the Arduino Uno developed?

A

2010

29
Q

What are some key features of the Raspberry Pi 3?

A

Compatibility with a wide range of operating systems

30
Q

What is a memory mapped I/O?

A

i/o devices are accessed through dedicated memory addresses.

31
Q

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.

A

Light Sensor

32
Q

How many analog pins does an Arduino Uno R3 have?

A

6

33
Q

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

A

Limited Power supply

34
Q

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

A

All GND connections must be connected directly together.

35
Q

What is the principle on which a DC motor operates?

A

Electromagnetic induction

36
Q

Which part of the DC motor remains stationary

A

Stator

37
Q

Why are DC motors well suited for use in robotics

A

Offers good control over speed and torque

38
Q

FPGA

A

Field Programmable gate Array

39
Q

PWM

A

Pulse Width Modulation

40
Q

SoC

A

System On Chip

41
Q

GPIO

A

General Purpose Input Output

42
Q

RTOS

A

Realtime Operating Systems

43
Q

SDK

A

Software development kit

44
Q

I2C

A

Inter-integrated Circuit

45
Q

SPI

A

Serial Peripheral Interface

46
Q

RS in RS 232

A

Recommended Standard

47
Q

UART

A

Universal Asynchronous Receiver Transmitter

48
Q

DMA

A

Direct Memory Access

49
Q

MOSFET

A

Metal Oxide Semiconductor Field Effect Transistor

50
Q

EEPROM

A

Electronically Erasable Programmable Read-Only Memory

51
Q

EPROM

A

Erasable Programmable Read Only Memory

52
Q

DRAM

A

Dynamic Random Access Memory

53
Q

SCADA

A

Supervisory Control and Data Acquisition

54
Q

PLC

A

Programmable Logic Controller

55
Q

Enumeration:
Commonly used serial communication protocols

A

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

56
Q

Enumeration: Classifications of embedded systems

A

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

57
Q

Enumeration: Roles of IO in Embedded Systems

A

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

58
Q

Enumeration: Versions of Arduino R4

A

1.) Minima
2.) Wifi

59
Q

Name of micro controller of Arduino Uno R3

A

ATMEGA328P

60
Q

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

A

blocks or frames

61
Q

How many analog inputs does the Arduino Uno have?

A

6

62
Q

A simple form of error detection

A

Parity Bit

63
Q

Refers to the process of collecting data from various sources

A

Data Acquisition

64
Q

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

A

GPIO

65
Q

This sensor measures the acceleration or tilt

A

Accelerometer

66
Q

RX and Tx are associated with?

A

Serial Communication

Embedded Sys (1 decks)

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