Components
What is a platter?
The platter holds data in the hard drive
Which company manufactured the first hard drive?
IBM
What property does the platter have?
It is magnetic
What does the mining of raw minerals create?
Uranium and Thorium
What is a flash memory module?
It stores data for the SSD
Who proposed the idea of the hard drive?
Reynold B. Johnson
What are bits?
Bits are what actually stores the data
What are byproducts of raw materials?
cyanide, mercury, and lead
What is the difference between the recirculation filter and the filter on the bottom of the hard drive?
The recirculation picks up dust particles spun by the platter, whie the filter clears out particles from the outside
When did the hard drive become integrated into personal computers?
In 1980, by Apple
Why is magnetism used to store the data?
Because the data will still be there even if the computer is powered off
How much emissions does the manufacture of the momentus hard drive generate?
7.34 kilograms per product
What does the circuit board do?
It controls everything that the hard drive does
What did Apple do in 1984?
They switched to internal hard drive interfaces
What can the hard drive do that the RAM cannot?
It can store data for a long period of time
How much of IBM's energy was renewable in 2019?
47%
What is the relationship between a voice coil and a magnet assembly?
They both work together to make the actuator arms quickly
How many companies introduced the external hard drive using USB technology?
7
How is data read/written?
Data is written when space is found on a track
How much non-hazardous waste was reused or composted?
Only 2%