Internal components of a computer


  • Motherboard
    • Purpose - The motherboard holds the CPU, RAM, storage devices and other components together.
    • Expansion Slots - Allow for additional components to be added such as graphics cards, sound cards and network cards.
  • Firmware and BIOS
    • The BIOS and UEFI is responsible for booting the system and managing communication between the operating system and hardware.
  • Central processing unit (CPU) - The CPU is the brain of the computer and is responsible for executing instructions and performing calculations. - It consists of multiple cores, which allow for parallel processing and improved performance.
  • Random Access Memory (RAM) - RAM is a type of volatile memory that is used to temporarily store data and instructions that the CPU needs to access quickly. - The amount of RAM in a computer can affect its performance, especially when running multiple applications or large programs.