Computer Systems (Environmental Impact)

Question 1

What are the three main ways that we can try to cut down on the amount of energy used by our computers?

Answer 1

Monitor Settings
Power Down Settings
Standby

Question 2

What are some of the settings that we can alter via the monitor which allow us to save energy?

Answer 2

Reduce brightness
Don’t use a screen saver
Using efficiency mode, if it is a feature

Question 3

What are some of the settings that we can alter via the power down features which allow us to save energy?

Answer 3

Having a timer which automatically turns the computer off after a long period of inactivity
Having a timer which automatically turns the monitor off after a long period of inactivity

Question 4

What is Standby mode another name for?

Answer 4

Sleep Mode

Question 5

What happens when a computer goes into a standby mode?

Answer 5

RAM continues to be powered
Software in use is temporarily stored until the user resumes work
Power to other components is significantly reduced

Question 6

What is the other kind of power saving mode?

Answer 6

Hibernate Mode

Question 7

What happens when Hibernate Mode is activated?

Answer 7

Contents of RAM are copied onto the hard disk
Hard Disk saves a permanent copy
Almost all components are completely turned off or are on very low power

Question 8

Why do some people argue that using standby and hibernate modes is better than shutting the computer down?

Answer 8

Because starting up a computer after shutdown causes a surge in power to components