1.2 memory Flashcards
RAM
random access memory - which can be read from or written to, its fast and close to the processor. stores the operating system, and instructions and data currently in use. volatile.
volatile
using electricity to hold data. when the electricity is turned off, the data is lost.
virtual memory
part of the hard drive acting as an extension to the RAM
ROM
read only memory, non volatile, holds the computers startup instructions, and its contents are placed on it in the factory
registers
tiny memory locations in the processor
when is virtual memory used
when RAM is full - contents of virtual memory cannot be currently in use
memory management
the computer keeping track of the different areas of memory in use at a time.
what is RAM also called
primary storage
what does every memory location in ram have
an address(can’t be changed) and data(continuously changing