Binary Logic - CPU, Memory and Storage Flashcards
What does RAM stand for?
Random Access Memory
What does ROM stand for?
Read Only Memory
Does a washing machine have an embedded system?
Yes - it controls the programs and temperature cycles
What is a computer system?
A device which processes inputs and turns them into outputs
Is a microwave a computer or embedded system?
Embedded system
How do embedded systems work?
They use microprocessors to control specific functions on a device
An embedded system is one that is…
built into a larger system and has only limited functions
Does RAM or ROM store programs being used by the CPU?
RAM
Why is ROM needed?
It stores the ‘bootstrap’ which loads the operating system. Without it, the computer wouldn’t start up.
The characteristics of RAM are?
Temporary, volatile, expandable and you can write to it
What happens to RAM when a device is restarted?
Data is volatile so it is lost
What type of storage is a hard drive?
Secondary storage
