Unit 1.2 Memory and Storage Flashcards
(10 cards)
A) What does the BIOS stand for?
B) what does it do?
A) Basic Input Output System
B) Loads an OS
OR
Checks the system for errors
What is the difference between primary memory, and secondary memory?
Primary memory is built directly next to secondary memory, whilst secondary memory is not built directly next to the CPU (and is hardware).
Name 2 types of Primary Memory.
RAM
ROM
Cache
Name one disadvantage of ROM
Expensive
State an advantage of ROM
Non-Volatile
State an advantage of RAM
It is primary memory, meaning that it is built directly next to the CPU, meaning it has a fast access speed.
What does volatile mean?
Volatile memory is a type of memory that maintains its data only while the device is powered. If the power is interrupted for any reason, e.g., a power outage, the data is lost.
What does Non-volatile mean?
A type of memory that will not lose data, whether the device is powered or not.
Name one type of volatile memory and one non-volatile memory
cant be asked figure it out
True or False?
In a regular computer, there tends to be more ROM than RAM