Storage and Communication Devices

Question 1

What do RAM and ROM mean?

Answer 1

Random Access Memory

Read Only Memory

Question 2

What are some of the differences between RAM and ROM?

Answer 2

ROM:
Contents are permanent
Contents aren't lost when the power is turned off
Cannot be written onto
Data can't be altered
Can store start up instructions

RAM:
Contents can be changed
Contents are lost when the power gets turned off
Can be written onto
Data can be altered
Stores software/code in use or about to be used

Question 3

What are some of the features of flash memory?

Answer 3

Doesn’t lose data when the power is turned off
Data can be rewritten

Used in cameras, mobile phones and USB memory sticks

Question 4

What do CDs, DVDs and Blu-rays store?

Answer 4

Music, movies, computer games

Question 5

Can a CD-ROM be written onto?

Answer 5

No, ROM = Read Only Memory