Unit 5 new

Question 1

Microprocessor:

Answer 1

An electronic circuit or chip that allows a machine to work by processing data, perform calculations and issues instructions.

Question 2

Smart device:

Answer 2

An electronic gadget that connects, shares and interacts with users and other smart devices.

Question 3

Electronic control unit:

Answer 3

A device responsible for overseeing a car’s electronic system.

Question 4

Internet of things:

Answer 4

Interconnection via the internet of computing devices embedded in everyday objects, allowing them to send and receive data.

Question 5

Smart city:

Answer 5

A city where sensor-driven data collection allows powerful computers to automate and co-ordinate wide range of services. This reduces environmental impact and lowers costs.

Question 6

Intelligent transport system:

Answer 6

The use of communication devices and computers to improve the safety and efficiency of traffic movement by transmitting real-time information.

Question 7

Autonomous vehicle:

Answer 7

A vehicle capable of sensing the environment and operating without human manipulation.

Question 8

Repetitive strain injury (RSI):

Answer 8

Pain felt in muscles, tendons and nerves due to making the same movements for a long amount of time.

Question 9

What are the positive effects of smart devices at home?

Answer 9

1) Saving time and money.
2) Improved home security.
3) Improved care and protection.

Question 10

What are the negative effects of smart devices at home?

Answer 10

1) Expensive
2) Depend on internet, which may fail.
3) May be hacked.

Question 11

What are the ways smart devices help save time and money.

Answer 11

1) Smart fridges can be automatically updated with user’s electronic shopping lists.
2) Lost items such as keys can inform a smartphone about the location.
3) Smart utility meters can monitor usage and send details to a smartphone.

Question 12

Explain how smart devices help with improved home security?

Answer 12

1) Home CCTV systems can send data to a phone even when the user is not there.

Question 13

Explain how smart devices help with improved care and protection

Answer 13

1) Smart baby monitors can monitor breathing, temperature, movement and body position.
2) Monitors can care for elderly with the help of sensor detected lights and other tools that will allow the caretaker to aid the elderly person if they need assistance.

Question 14

Positive effects of smart devices in security of data?

Answer 14

There is more concern about publicity about data security, therefore, more people and organizations are aware of problems.

Question 15

Negative effects of smart devices in security of data?

Answer 15

1) Security is a concern as lots of personal data is collected.
2) Data in IOT can be used by members of organization for marketing purposes.
3) All the devices are connected to the internet and may be targeted by hackers.

Question 16

What does vehicle safety with the help of ECU do?

Answer 16

1) Anti-locking braking systems.
2) Using video camera mounted near car mirror.
3) Collision avoidance systems which will warn of any objects in front of cars.

Question 17

Positive effects of smart devices in lifestyle and leisure?

Answer 17

1) Smart speakers can be controlled with commands to do tasks.
2) Smart thermostats reduce amount of energy waste.
3) Adding items to shopping list with commands with smart speaker.
4) Smart devices allow more leisure and less time spent on work.

Question 18

Negative effects of smart devices in lifestyle and leisure?

Answer 18

1) Excess usage of smart devices may lead to less communication with close ones.
2) Leisure is spent more commonly indoors.

Question 19

Positive effects of smart devices in physical fitness

Answer 19

1) Smart devices can be used to monitor heart rate.
2) Fitness trackers track physical activities.
3) Smart training equipment allows communication with others, increasing motivation.
4) Calculate the number of calories burnt.
5) Apps that can monitor a person’s physical activity and suggest or activate actions to correct problems.

Question 20

Negative effects of smart devices in physical fitness?

Answer 20

1) In a house filled with smart devices, people do less exercise doing day to day tasks.

Question 21

Effects of smart devices in terms of social interaction.

Answer 21

(1) Smart assistant has reduced interaction between people.
(2) Physical tasks that were done before with other people are now done by automated machines, causing less interactions.
(3) There is less face-to-face social interaction because of the usage of social media.
(4) People communicating with those who live far away using devices like computer, smartphone, or tablet.

Question 22

How can optimum traffic flow maintenance be achieved with smart devices?

Answer 22

1) Control of traffic lights.
2) Informing travelers about travel times, speeds, delays, diversions, radio announcements and SMS.
3) Informs users of public transportation.

Question 23

Positive effects of intelligent traffic system?

Answer 23

1) Improves traffic efficiency by minimizing traffic problems.
2) Reduces traffic time.
3) Reduces travel time.
4) Enhances safety, comfort and mental health.

Question 24

Limitations of using intelligent traffic system?

Answer 24

1) Expensive.
2) May malfunction or break down causing traffic chaos.
3) System relies on surveillance of vehicles, privacy issue.

Question 25

Explain the functionality of microprocessors.

Answer 25

Accept digital data as input and process instructions stored in memory to produce output.

Question 26

Explain the functionality of microprocessors in household?

Answer 26

Communication between devices and task execution without direct human contact.

Question 27

What are some ways people can communicate at a distance?

Answer 27

(1) Voice and text message.
(2) Social networking sites.
(3) Emails.
(4) Video calls.
(5) Electronic and web conferencing.

Question 28

Explain the concern regarding privacy in terms of surveillance.

Answer 28

The information gathered from surveillance may be stored and used for other purposes and could even be stolen by hackers and sold to organizations that benefit from it.

Question 29

Explain the concern regarding health in terms of the use of ICT.

Answer 29

Misuse of technology may lead to physical problems or make pre-existing problems worse.

Question 30

Explain the functionality of using intelligent transport system.

Answer 30

Helps improve traffic by minimizing problems, improving comfort, safety and speed while reducing travel time. It depends on surveillance but it may malfunction and may be a privacy concern.

Question 31

Explain the functionality of autonomous vehicles.

Answer 31

Autonomous vehicles have the ability to travel without the requirement for human manipulation. It also eliminates human driving error.

Question 32

What are the ways to reduce RSI?

Answer 32

(1) Adopt good posture.
(2) Use ergonomically designed keyboard.
(3) Take breaks.
(4) Use mouse as little as possible.

Question 33

Ways technology helps us communicate with those who live far away.

Answer 33

a. Voice and text message.
b. Social networking sites.
c. Emails.
d. Video calls.
e. Electronic and web-conferencing.