Types of memory? Rom

Question 1

how was information stored?

Answer 1

etched of silicon chip

Question 2

what does ibm pc contain?

Answer 2

all essentials like bios

Question 3

what is prom?

Answer 3

programmable rom which now you can write on

Question 4

what is eprom?

Answer 4

erasable prom, erase the chip by ultrviolet light than reprogram it

Question 5

what is flash memory a form of?

Answer 5

eeprom

Question 6

how do you erase info on eltrocially erasable prom?

Answer 6

electrical pulse