computer performance

computer performance

1. cache

   • cache stores instructions which are frequently used
   • cache memory is a small amount of memory
     • it is either inside the CPU or closer to the CPU than RAM

2. clock speed

   • is measured in Hertz
     • Herts can also presented like 'Hz'
   • it can execute more instructions per second, the higher the clock speed

3. RAM

   • volatile storage
     • volatile means that it will not save your information if you switch your device off
   • RAM stores instructions and data
   • it wil store the information while the program is running

4. cores

   • independent processer
   • it can have a duel core
     • this means that it runs two independent processers at once