what effects the performance of a computer

what effects the performance of a computer

1. cache

   • Definition of: cache (1) To store data locally in order to speed up subsequent retrievals. Pronounced "cash." See Web cache and browser cache. (2) Reserved areas of memory in every computer that are used to speed up instruction execution, data retrieval and data updating.
   • max 3 levels

2. clock speed

   • In a computer, clock speed refers to the number of pulses per second generated by an oscillator that sets the tempo for the processor. Clock speed is usually measured in MHz (megahertz, or millions of pulses per second) or GHz (gigahertz, or billions of pulses per second).
   • different clock speeds
   • measured in hertz

3. cores

   • In relation to computer processors, a core is the processing unit that receives instructions and performs calculations, or actions, based on those instructions. A set of instructions can allow a software program perform a specific function. Processors can have a single core or multiple cores
   • has to have 1