Memory

Question 1

What is RAM?

Answer 1

Random Access Memory - RAM is used as a form of temporary storage on a computer (that is volatile)

Question 2

What is ROM?

Answer 2

Read Only Memory - ROM used to boot a computer has bios etc on it.

Question 3

What is the difference between RAM and ROM?

Answer 3

RAM

1. Volatile - loses data when computer switch off
2. Memory can be written or read from

ROM

1. Non Volatile - does not lose data when turned off
2. Memory can only be read from

Question 4

What is Virtual Memory?

Answer 4

When RAM is used up, a part of the secondary storage (HDD/SSD) is used instead to hold the data normally used in the RAM.