1.2 memory

1.2 memory

1. two items that are stored in ram : programs that are currently in use and data currently in use .

   • main differences between ram and rom : ROM is non volatile and RAM is volatile
     • ROM is presented in automatic washing machines what are the specific instructions : remain weather on or off
   • ROM stores instructions that are need in (post) in boot sequence : Bio's chip perform's a check
   • what are the reasons that ROM is considered permanent and secure : cannot be modified easily

2. what is virtual memory : simulated memorise the hard drive

   • why is virtual memory needed: applications on the computer
   • how is virtual memeory implemented : virtual memory manger
     • virtual memory : is a memory management technique that provides an 'idealized abstractions of the storage resources

3. what does solid state media mean : no maining that uses flash memory

   • what are 3 uses for flash memory : usb drive , memory cards , solid state drives
     • the advantages of flash memory is that it is portable. if you loose it your files on your computer they can be restored,and it is also cost affected. the disadvantages of a flash memory is that it is easy to loose because it is small and it cant hold everything off your computer on it . 

4. registers : a processor registers (CPU register) is one small set of data holding places that are part of the computer processor

5. cache : in computing , a cache KASH, is a hardware or software component that stores the data so future requests for that data can served faster.