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Microcontroladores 03

Total questions: 84

Worksheet time: 42mins

Name
Class
Date
1.

What is the typical frequency range of operation for a microcontroller?

a)

GHz

b)

MHz

c)

kHz

d)

THz

2.

What is the cost range of a microcontroller as mentioned in the document?

a)

USD 200.00

b)

USD 50.00 to 100.00

c)

USD 7.00 to 30.00

d)

USD 100.00 to 150.00

3.

Which of the following is a characteristic of a microprocessor?

a)

Low processing capacity

b)

High processing capacity

c)

Operates in MHz

d)

Restricted applications

4.

What type of applications are microcontrollers typically used for?

a)

Generic applications

b)

High-performance computing

c)

Restricted applications

d)

Cloud computing

5.

What is the typical cost of a microprocessor as mentioned in the document?

a)

USD 7.00 to 30.00

b)

USD 50.00 to 100.00

c)

USD 100.00 to 150.00

d)

USD 200.00

6.

What is the typical frequency range of operation for a microprocessor?

a)

MHz

b)

kHz

c)

GHz

d)

THz

7.

What is a microcontroller?

a)

A device that contains all necessary circuits to perform a complete and programmable digital system.

b)

A device that only stores data.

c)

A device that only processes data.

d)

A device that only converts analog signals to digital.

8.

Which of the following is an internal component of a microcontroller?

a)

Hard Drive

b)

RAM

c)

Monitor

d)

Keyboard

9.

Which component in a microcontroller is responsible for converting analog signals to digital?

a)

RAM

b)

CPU

c)

A/D Converter

d)

Program Memory

10.

What is the function of the internal oscillator in a microcontroller?

a)

To store data

b)

To provide timing signals

c)

To process data

d)

To convert signals

11.

Which of the following is NOT an internal component of a microcontroller?

a)

Temporizadores

b)

Comunicação Serial

c)

Portas de I/O

d)

Hard Drive

12.

Which of the following is NOT listed as an application in the provided learning material?

a)

Industriais

b)

Eletrodomésticos em geral

c)

Automóveis

d)

Medicina

13.

What is one of the applications mentioned for data collection in the provided learning material?

a)

Pressure

b)

Humidity

c)

Light

d)

Sound

14.

Which application area involves the use of robots according to the provided learning material?

a)

Automóveis

b)

Controles de ambientes

c)

Instrumentação

d)

Robótica

15.

What is the main topic of the provided learning material?

a)

Types of industries

b)

Applications

c)

Data analysis

d)

Environmental controls

16.

What is the Portuguese term for "comfort" as shown in the diagram?

a)

ConfortoConforto

b)

TemperaturaTemperatura

c)

Iluminac\ca~oIluminação

d)

ComidaComida

17.

Which labeled section in the diagram corresponds to "food" in Portuguese?

a)

PiscinaPiscina

b)

ComidaComida

c)

Porto~esPortões

d)

AlarmeAlarme

18.

What is the Portuguese term for "temperature" as shown in the diagram?

a)

Iluminac\ca~oIluminação

b)

TemperaturaTemperatura

c)

ConfortoConforto

d)

EntretenimentoEntretenimento

19.

Which labeled section in the diagram corresponds to "entertainment" in Portuguese?

a)

EntretenimentoEntretenimento

b)

Porto~esPortões

c)

Ca^meraCâmera

d)

AlarmeAlarme

20.

What is the Portuguese term for "lighting" as shown in the diagram?

a)

Porto~esPortões

b)

Iluminac\ca~oIluminação

c)

ConfortoConforto

d)

ComidaComida

21.

What is the term used for the information utilized in a microcontroller to generate an action, stored in digital form?

a)

Entrada de dados

b)

Saída de dados

c)

Dados

d)

Memória

22.

Which term refers to the interface used to send data to a microcontroller?

a)

Saída de dados

b)

Entrada de dados

c)

Endereço de memória

d)

Barramento

23.

What is the term for the action resulting from the microcontroller after executing programmed operations?

a)

Memória

b)

CPU

c)

Saída de dados

d)

Instrução

24.

Where are the information that will be processed by the microcontroller stored?

a)

Endereço de memória

b)

Memória

c)

Largura de barramento

d)

Programa

25.

What is the term for the position in memory where information is or will be stored?

a)

CPU

b)

Instrução

c)

Endereço de memória

d)

Barramento

26.

Which term refers to the part of the microcontroller that makes decisions based on data and the program stored in memory?

a)

CPU

b)

Dados

c)

Memória

d)

Programa

27.

What is the term for the order given by the CPU to execute an action based on data?

a)

Barramento

b)

Instrução

c)

Saída de dados

d)

Largura de barramento

28.

What is the term for a set of ordered instructions that describe a task to be performed by the microcontroller?

a)

Programa

b)

Dados

c)

Memória

d)

CPU

29.

What is the term for the pathway through which data is transmitted?

a)

Largura de barramento

b)

Endereço de memória

c)

Barramento

d)

Instrução

30.

What is the primary function of the "Barramento de Controle" in a CPU?

a)

To enable, disable, and control the flow of information.

b)

To transfer data and instructions to be executed.

c)

To indicate where data and instructions should be sent or retrieved.

d)

To store data temporarily.

31.

Which type of bus is used to transfer data and instructions to be executed in a CPU?

a)

Barramento de Controle

b)

Barramento de Dados

c)

Barramento de Endereços

d)

Barramento de Memória

32.

What is the purpose of the "Barramento de Endereços" in a CPU?

a)

To enable, disable, and control the flow of information.

b)

To transfer data and instructions to be executed.

c)

To indicate where data and instructions should be sent or retrieved.

d)

To store data temporarily.

33.

What does the "Barramento de Dados" do in a CPU?

a)

It enables, disables, and controls the flow of information.

b)

It transfers data and instructions to be executed.

c)

It indicates where data and instructions should be sent or retrieved.

d)

It stores data temporarily.

34.

What is the main function of the CPU in a microcontroller block diagram?

a)

To store data temporarily

b)

To execute instructions

c)

To convert analog signals to digital

d)

To manage input/output ports

35.

Which component in the microcontroller block diagram is responsible for storing data temporarily?

a)

ROM

b)

CPU

c)

RAM

d)

Timers

36.

What does the 'PORTA PARALELA' in the microcontroller block diagram refer to?

a)

Parallel Port

b)

Serial Port

c)

Analog to Digital Converter

d)

Timer

37.

Which component in the microcontroller block diagram is used for timing operations?

a)

ROM

b)

RAM

c)

Timers

d)

CPU

38.

What is the name of the microcontroller used in the Arduino UNO R3?

a)

ATmega2560

b)

ATmega328

c)

ATtiny85

d)

ATmega128

39.

Which pin on the Arduino UNO R3 is used for the PWM function?

a)

Pin 13

b)

Pin 10

c)

Pin 2

d)

Pin 8

40.

What is the function of the GND pin on the Arduino UNO R3?

a)

To provide power

b)

To reset the board

c)

To ground the circuit

d)

To control the LED

41.

Which pin is labeled as A0 on the Arduino UNO R3?

a)

Digital pin 0

b)

Analog pin 0

c)

PWM pin 0

d)

Control pin 0

42.

What is the function of pin 1 on the ATMEGA328?

a)

RXD

b)

TXD

c)

PCINT16

d)

PC6

43.

Which pin on the ATMEGA328 is used for the PWM function and is labeled as OC0A?

a)

Pin 5

b)

Pin 6

c)

Pin 7

d)

Pin 8

44.

What is the label for pin 28 on the ATMEGA328?

a)

PC5

b)

PC4

c)

PC3

d)

PC6

45.

Which pin is labeled as AREF on the ATMEGA328?

a)

Pin 20

b)

Pin 21

c)

Pin 22

d)

Pin 23

46.

What is the function of pin 9 on the ATMEGA328?

a)

PWM

b)

OC1A

c)

OC1B

d)

OC2A

47.

How many configurable ports does the Atmega 328 have?

a)

23

b)

26

c)

32

d)

20

48.

What is the size of the program memory in the Atmega 328?

a)

16 K

b)

32 K

c)

64 K

d)

128 K

49.

How many timers does the Atmega 328 have?

a)

2

b)

3

c)

4

d)

5

50.

What is the size of the RAM memory in the Atmega 328?

a)

1 Kbyte

b)

2 Kbyte

c)

4 Kbyte

d)

8 Kbyte

51.

What is the maximum clock speed of the Atmega 328?

a)

10 MHz

b)

16 MHz

c)

20 MHz

d)

25 MHz

52.

How many analog comparators does the Atmega 328 have?

a)

1

b)

2

c)

3

d)

4

53.

What is the range of power supply voltage for the Atmega 328?

a)

1.8 V to 3.3 V

b)

1.8 V to 5.5 V

c)

2.0 V to 5.0 V

d)

2.5 V to 5.5 V

54.

What is the function of a "registrador" in a microcontroller?

a)

A) It processes data.

b)

B) It stores the state of a byte.

c)

C) It generates clock signals.

d)

D) It manages power supply.

55.

In which component of a microcontroller is the reading/writing of a byte state performed?

a)

A) ALU

b)

B) Memory

c)

C) Registrador

d)

D) Timer

56.

What does the acronym SFR stand for in the context of microcontrollers?

a)

Special Function Register

b)

Standard Function Register

c)

Specific Function Register

d)

System Function Register

57.

Which components are mentioned as being controlled by the special function register (SFR)?

a)

AD, TRISA, TRISB

b)

CPU, RAM, ROM

c)

ALU, CU, Registers

d)

GPIO, UART, SPI

58.

What is the primary role of the circuits mentioned in the document?

a)

To control other smaller blocks and ensure the functioning of the microcontroller

b)

To provide power to the microcontroller

c)

To store data permanently

d)

To manage input and output operations

59.

What is the function of the I/O ports in a CPU?

a)

To connect the CPU to the internet

b)

To connect the CPU to external devices for reading or writing values

c)

To increase the CPU's processing speed

d)

To store data permanently

60.

What voltage represents a value of 0 in the I/O ports?

a)

0 volts

b)

5 volts

c)

3.3 volts

d)

12 volts

61.

What voltage represents a value of 1 in the I/O ports?

a)

0 volts

b)

5 volts

c)

3.3 volts

d)

12 volts

62.

What is the primary function of the electronic circuit described in the text?

a)

To process data

b)

To store data

c)

To transmit data

d)

To delete data

63.

In the described memory circuit, what does each memory address correspond to?

a)

A data type

b)

A memory position

c)

A processing unit

d)

A storage device

64.

What operations can be performed on the data in the memory positions?

a)

Only read

b)

Only write

c)

Both read and write

d)

Neither read nor write

65.

What does ROM stand for in computer memory terminology?

a)

Random-Only Memory

b)

Read-Only Memory

c)

Rewritable-Only Memory

d)

Rapid-Only Memory

66.

Which type of ROM allows data to be written only once by the manufacturer?

a)

EPROM

b)

PROM

c)

EEPROM

d)

Flash Memory

67.

What is required to erase data from an EPROM?

a)

Magnetic field

b)

Electrical current

c)

Ultra-violet light

d)

Heat

68.

Which type of memory is known for storing BIOS, POST, and setup information?

a)

RAM

b)

PROM

c)

ROM

d)

EPROM

69.

What is a characteristic of PROM?

a)

Data can be erased and rewritten multiple times

b)

Data is written once and cannot be erased or altered

c)

Data is lost when power is turned off

d)

Data is written and erased using electrical signals

70.

What does EEPROM stand for?

a)

Electrically-Erasable Programmable Read-Only Memory

b)

Electronically-Erasable Programmable Read-Only Memory

c)

Electrically-Erasable Programmable Random-Only Memory

d)

Electronically-Erasable Programmable Random-Only Memory

71.

How are data erased in EEPROM?

a)

By using ultraviolet light

b)

By using magnetic fields

c)

Electronically

d)

By using infrared light

72.

What does RAM stand for?

a)

Random-Access Memory

b)

Read-Only Memory

c)

Random-Available Memory

d)

Read-Access Memory

73.

What is the primary function of RAM in a computer?

a)

To store data used by the processor

b)

To store data permanently

c)

To store data using ultraviolet light

d)

To store data using magnetic fields

74.

When a program is executed, where is the data transferred from and to?

a)

From the hard disk to the RAM

b)

From the RAM to the hard disk

c)

From the processor to the RAM

d)

From the RAM to the processor

75.

What does the interrupt manager do when an interrupt is generated?

a)

It shuts down the CPU.

b)

It executes a subroutine and returns to the main program.

c)

It restarts the entire system.

d)

It ignores the interrupt.

76.

Which of the following is an example of an interrupt?

a)

Opening a file.

b)

Clicking a link.

c)

Emergency button.

d)

Typing on a keyboard.

77.

What does the abbreviation "AD" stand for in the context of the provided text?

a)

Analog to Digital.

b)

Automatic Detection.

c)

Advanced Data.

d)

Active Directory.

78.

What does the CPU monitor and control within a microcontroller?

a)

External devices

b)

All processes within the microcontroller

c)

Network connections

d)

User inputs

79.

What is the function of the instruction decoder in a microcontroller?

a)

Executes arithmetic operations

b)

Recognizes program instructions and makes other circuits work

c)

Stores data for operations

d)

Controls external devices

80.

What does the ULA (Unidade Lógica e Aritmética) handle in a microcontroller?

a)

Data storage

b)

Logical and arithmetic operations

c)

Instruction decoding

d)

External communication

81.

What is the role of the accumulator in a microcontroller?

a)

It decodes instructions

b)

It handles logical operations

c)

It stores all data used to execute an operation, as well as the results

d)

It controls external devices

82.

What is normally used to achieve stabilized oscillation in a microcontroller?

a)

A) A quartz crystal

b)

B) A silicon chip

c)

C) A copper wire

d)

D) A plastic resistor

83.

What do the pulses generated by the oscillator enable in a microcontroller?

a)

A) Asynchronous operation of all circuits

b)

B) Synchronous operation of all circuits

c)

C) Random operation of all circuits

d)

D) Independent operation of all circuits

84.

How are instructions executed in relation to the oscillator frequency?

a)

A) Always at the same speed

b)

B) Always faster

c)

C) Sometimes slower

d)

D) Always slower

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