computers

computers

1. hardware

   • external components
     • -monitor
       • -keyboard
         • -mouse
           • -webcam
   • physical parts
   • internal components
     • video card
       • generates video
     • motherboard
       • main circuit board
     • sound card
       • input and output of the sound
     • main ports and connectors
       • ports
         • usa
       • connectors
         • network
           • Rj45
         • graphic
           • VGAJDVI-VGASHDMI
     • microprocessor
       • brain of computer
     • backing storage
       • save information
       • internal storage units
         • hard disk drive
         • sold state dink
       • external storage units
         • cds,DVD,blu-kay
         • online storage
           • cloud
     • internal memory
       • RAM
         • volatile
         • temporary storage
       • ROM
         • non-volatile

2. software

   • -programs
     • instructions
       • computer applications
         • operating system