computer

computer

1. hardware

   • physical parts
   • external components
     • monitor
       • keyboard
         • mouse
           • webcam
             • ....
   • internal components
     • internal memory
       • Ram
         • volatile
         • temporary store
       • ROM
         • non-volatile
     • backing storage
       • save information
       • internal storage units
         • hard disk
         • solid state disk
       • external storage units
         • DVD,Blueray...
         • online
           • cloud
     • microprocessor
       • brain of the computer
     • sound card
       • imput and output of the sound
     • video card
       • generates video
     • motherboard
       • main circuit board
       • chipset
     • main ports and connectors
       • Ports
         • usn
       • connectors
         • network
           • RJ45
         • graphic

2. software

   • pograms
     • office automation systems
       • word processors
       • spreadsheets
       • slide presentations
       • database managers
     • browser
     • graphic design
     • technical drawing
     • utilities
     • games
   • BIOS
   • instructions
   • computer applications
   • operating system
     • enables users to share hardware
     • enables user to share data
     • enables users to plan resources
     • facilitates data input and output
   • linux system
     • packages
     • advantages
       • the programs are free
       • it's multitasking
       • it's multi user system
       • it's robust and fast
   • structure of the hard disk
     • primary
     • extended
   • the file system
     • files
     • folders