Computer systems

Computer systems

1. input devices

   • keyboard
   • mouse
   • microphone
   • scanner
   • touch screen

2. output devices

   • printer
   • moniter
   • speaker
   • projector

3. PC components

   • motherboard
   • Graphics Processor unit (GPU)
   • integrated GPU
   • dedicated GPU

4. Data processing

   • parts of the CPU
     • register
       • storage location
     • controllers
       • directs the flow of instructions and data
     • ALU
       • maths calculations
     • buses
       • control bus
       • data bus
       • address bus
     • internal memory

5. types of processors

   • instructions
   • speed
   • physical size
   • energy consumption
   • design
   • memory
   • cost

6. types of internal storage

   • RAM
   • ROM
   • flash memory
   • cache memory