RAM & ROM
Watch and follow the YouTube video, the lesson contains three parts:
Key Information and content - all you need to do here is watch and listen
Learning activity - there are two activities, one that focuses on primary and secondary storage, the second focuses on characteristics of RAM and ROM
Consolidation - these are past exam question and are for deliberate practice to check your understanding.
Task 1 - Primary & Secondary Storage
Task 2 - Characteristics of RAM & ROM
Task - Exam Questions - Deliberate Practice
Stores the boot program / bootstrap loader / BIOS
Used to start the computer / loads the operating system
Stores the parts of the OS / programs that are running
Stores the data currently in use
....for access by the CPU
ROM is non-volatile and RAM is volatile
RAM is easily expandable, ROM size is (usually) fixed for a given computer
Contents of the RAM change frequently, contents of ROM never (hardly ever) change.