GCSE ICT - Systems

GCSE ICT - Systems

1. CPU (central processing unit)

   • Is a microprocessor (1 or more) that process's the raw data and turns it into information

2. Memory

   • Internal memory
     • Are chips inside the pc where data is held that can be accessed immediatly
   • Backing memory
     • This is any storage that isn't classed as memory, for example hard drives, CD's, DVD's and flash drives

3. Input devices

   • Any device that provides input to the the computer
   • Keyboard
   • Mouse

4. Output devices

   • The devices that give the result from the processed data from the computer
   • Monitor
   • Ink jet printer
   • Speakers
   • Projector

5. Operating systems

   • The low-level software that supports a computer's basic functions, such as scheduling tasks and controlling peripherals.
   • Windows
   • IOS
   • Linux