Question

4 what is the main difference between primary and secondary storage?
primary storage refers to permanent drives, and secondary storage refers to random - access memory cards.
primary storage manages power supply units, while secondary storage regulates binary voltage.
primary storage is stored in the cloud, while secondary storage only exists on physical devices.
primary storage is temporary and volatile, while secondary storage is non - volatile and retains information even when the computer is turned off.
5 what does it mean when we say computers are binary?
it means that computers can function with or without electrical power depending on the software installed.
it means that computers store information using multiple symbols beyond just numbers and letters.
it means that computers operate using only two possible electrical states—on or off—represented by the numbers 1 and 0 in binary code.
it means that computers can process information in both human and machine languages equally well.
6 what is the electronic product environmental assessment tool (epeat)?
a marketplace where companies can sell surplus electronic parts and obsolete hardware components.
a system funded by the epa that evaluates computers based on environmental criteria and assigns bronze, silver, or gold ratings.
a database designed to track government regulations about fossil fuel consumption and waste.
an international policy initiative requiring computer manufacturers to report their annual profits.

Explanation:

• Question 4: Primary storage (e.g., RAM) is volatile (data lost when power off), temporary. Secondary storage (e.g., HDD, SSD) is non - volatile (retains data when power off).
• Question 5: Binary in computers means two electrical states (on/off) represented as 1/0.
• Question 6: EPEAT is a system funded by EPA for environmental evaluation of computers with bronze, silver, gold ratings.

Answer:

1. Primary storage is temporary and volatile, while secondary storage is non - volatile and retains information even when the computer is turned off.
2. It means that computers operate using only two possible electrical states—on or off—represented by the numbers 1 and 0 in binary code.
3. A system funded by the EPA that evaluates computers based on environmental criteria and assigns bronze, silver, or gold ratings.