Computer performance

Computer performance

1. clock speed

   • It is how fast your computer can process information.
   • By increasing the clock spead, your comoputer can process more information.
   • This means that the faster your clock spead, the faster things are processed.
   • The number of fetch - decode - execute cycles per second.
   • Measured in hertz (Hz)

2. cache

   • It is a part of the computer that stores frequently used apps.
   • This means that it temporarily store data and instructions that the CPU is likely to reuse.
   • By using the cache, it will make the CPU work quicker with the things that you have already used and are likely to use again.
   • A small amount of memory which is inside the CPU or closer to it than RAM.
   • Faster and more expensive than RAM.
   • The more cache, the more frequently used apps stored.

3. cores

   • It is the number of independent processors in the CPU.
   • This means that with more cores, things can be done faster and at the same time as other things.
   • By increasing the number of cores, you can do more things at one time.
   • The more cores, the more instructions the CPU can process in a second so the performance will be improved.
   • They are independent processors of the CPU.
   • Runs the fetch - decode - execute cycle.
   • Dual cores is 2 and quad cores is 4.

4. RAM

   • It is a type of memory that temporarily store data that is open on the computer.
   • This means that it is volatile because it only stores things that are currently being used.
   • By turning the computer off, all data will be lost because it can only store things that are open on the computer.
   • Volatile storage.
   • Stores data and instructions while program is running.
   • The more RAM, the more data and instructions can be stored while the program is running.
     • This means that less instructions will be stored in much slower memory and the computer performance will be improved.