COMPUTERS

COMPUTERS

1. Computer architecture

   • External ediveces
     • Peripherals
       • Imput peripherals
         • send data to the computer
           • • keyboard
           • microphone
           • mouse
           • graphic tablet
           • scanner
       • output peripherals
         • recive data from the computer
           • monitors
           • speakers
             • printers
   • internal devices
     • cpu
       • alu
       • cu
       • central microprocessor
     • computer memory
       • main memory RAM
         • operating system and running programs are loade onto it
       • second memory
         • saved data and information
     • connection parts for peripherais

2. computer connections

   • buses to interconect all the devices
   • data buses
   • addres buses
   • control buses

3. Main parts of a computer system

   • hardware
     • constitutes the physical elements that make up a computer
   • software