Please enable JavaScript.
Coggle requires JavaScript to display documents.
Chapter 5 The effect of using IT - Coggle Diagram
Chapter 5 The effect of using IT
Microprocessor-Controlled devices
Microprocessor - Controlled devices in the Home
What's Microprocessor-Controlled devices
IoT
The positive and negative effects of smart devcies
In the Home
Positive effects
Save time and money
Improve home security
Negative effects
Smart devices are expensive
They depend on the internet which may fail
security - they can be hacked
Lifestyle and leisure
Positive effects
Increased fitness, reduce the amount of time, eg, gym getting fit
Increased productivity, more work-related tasks.
Increased free time, Increased relaxation
Negative effects
Easy to become lazy, laziness.
Decreased fitness, press “go” button for machine.
Security of data
Positive effects
Improve people's security awareness and take action
Negative effects
Privacy and security are of concern to expert as all of theresdevcies and systems collect a lot of personal data.
The data generated by the IOT is avaiable to many people and organisations who can use it for marketing purpose.
All of the devcies are connected to the internet and thererfore can be targeted by hackers.
Social interaction
Positive Effects
Easy to find people with the same interests or hobbies as you in specialist chat-rooms.
Old or disabled people can still interact with friends/family without having to leave their homes.
For example:
Cheap Internet phone calls can be made using VoIP to friends and family all over the world.
Negative effects
You don't actually meet people face to face as much. This is known as 'social-isolation'.
Interacting through a computer does not require much physical activity and can lead to health problems like obesity.
Transport
Vehicle Safety
Anti-locking breaking systems and Electronic control unit(ECU)
Adaptive cruise control(ACC) maintains a correct distance from the care in the front and automatically applies the breaks if it slows down.
Autonomous vehicles
Autonomous vehicle: a vehicle capable of sensing its environment and operating without human involvement.
Program and legally?
Traffic systems(smart city)
Control traffic light system
Control traffic light system
Infromationing travellers : : :
Health Issue
Back problem
Safety issues：
Back pain: caused by working for too long without taking a break and sitting in front of a computer with a bad posture.
Back injuries caused by moving equipment: Many injuries are caused by moving heavier items of computer hardware, for example, desktop computers, monitors and printers.
To reduce the risk, users should:
Adjust the chair to suit body type and height.
Adjust the height and angle of the screen.
Use a chair with a lumbar support and adjust it to suit body type.
Adjust the desk by bringing it close or further away.
Use correct lifting techniques such as:
Eye strain
To reduce the risk, users should:
Taking regular breaks.
Adjusting the brightness and contrast of the monitor
Using suitable font and icon sizes.
Using suitable lighting in the room, for example prevent sunlight hitting the screen.
Safety issues：
headaches, watery eyes, dry eyes and
double vision can be caused by staring at a computer
screen for too long.
RSI(Repetitive strain injury)
Safety issues：
Repetitive strain injury (RSI) （肢体的）重复性劳损 : a general term used to describe the pain felt in muscles, nerves and tendons caused by repetitive movement and overuse.
To reduce the risk, users should:
Adopt a good posture
Use an ergonomically designed keyboard 工程学
Take regular breaks.
Use the mouse as littile as possible, for example, by using keyboard shortcuts. Alternatively, using a wrist support or ergonomic mouse can help.
Headaches
Safety issues：
headaches from computers are often caused by computer vision syndrome (CVS). If you spend extended periods of time on your computer you might get a headache due to glare on the screen, poor lighting in your workspace, improper computer brightness and colour, or a combination of these factors.
To reduce the risk, users should:
Take frequent breaks from the computer.
Work in a properly lit area.
Reduce computer screen glare.
Clean the computer display.
Ask for software training.
Take regular breaks.
Stress
Safety issues：
headaches can also be caused by stress.
A computer user may become stressed when:
The computer malfunctions.
The software does not carry out the functions expected.
The user is rushing as they have too much work to do.
To reduce the risk, users should
Work in a properly lit area.
Reduce computer screen glare.
Clean the computer display.
Ask for software training.
Take regular breaks.