memory Flashcards
what are the two main types of memory?
RAM and ROM
what does volatile memory require?
power
what is memory used for?
to store data and instructions
is RAM volatile or non-volatile?
volatile
can the CPU read and write data to the RAM?
yes it can
how does having a lot of RAM help your computer run faster?
when the CPU is running a program or using a file, the data and instructions are moved to RAM so that they can be accessed quickly
what can you do when a computer does not have enough RAM for the CPU to use?
the hard drive can be used as a kind of ‘overflow’ memory, but data stored there will be much slower to access
what does RAM stand for?
random access memory
what does ROM stand for?
read only memory
can the CPU read and write data to the ROM?
no it cant, the ROM uses read only memory, so can only be read from
what instructions does the ROM usually contain?
it usually contains all the instructions a computer needs to poperly boot up