Intro. to computers

Intro. to computers

1. Inputs

   • Data that enters the computers memory
   • mouse
   • stylus
   • keboard
   • scanner

2. Output

   •  Data that is processed into usable form
   • printer
   • speaker
   • monitor

3. Proccessing

   • electronic components of the computer
   • control unit
   • arithmetic bgic unit
   • fetching,decoding,executing and storing
   • Intel, AMD, Motorola

4. Storage

   • Memory and Data
   • OS
   • Software
   • Application programs
   • Memory
     • volatile
       • Dynamic RAM
       • Static RAM
     • non-volatile
       • hard disc
       • floppy disc
       • optical disc
       • flash memory
   • Access Time
     • the amount of time taken by a storage device to retrieve an item on storage media.
   • Transfer Rate
     • The speed at which data, instructions and information move to an fro device.