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revision lesson - Coggle Diagram
revision lesson
CPU
central processing unit
processes data in in a computer also known as central processing unit mixed with primary and secondary
CPU is used to fetch decode and execute
washing machine
what is a computer
combined software to make input process and output
RAM
volatile memory
cache memory
non volatile memory data that saves when turned off even if not saved
hard drive cd memory stick solid state drive
cache memory makes a computer go faster by making the input processing unit go faster
embedded system
phone or ipad
fridge
ROM
ROM is a type of storage that cant be upgraded
ROM standsfor read only memory
embedded system
read only memory