unit 1

unit 1

1. software

   • operating systems
     • functions
       • manages the microprocessor
       • manages the memory and storage system
       • provide an interface or working environment
       • allows comunication between applications and peripheral devices
     • types
       • multi-user
       • multitasking
       • network operating system
       • free and open-source software
     • main
       • microsoft windows
       • apple mac OS
       • Linux
       • for mobile phones
         • apple IOS
         • Google android
         • Windows phone
   • applications
   • programming languages
   • malicious software or malware

2. hardware

   • tower
     • motherboard
     • microprocessor
     • memories
       • Ram memory
       • Cache memory
       • Rom Bios Memory
     • storages devices
       • magnetic disks
       • optical discs
       • solid-state memory (flash)
     • Internal connectors, slots and ports
     • power supply
   • peripheral devices
     • peripheral input devices
       • keyboard
       • mouse
     • peripheral output devices
       • monitor
       • printer
     • peripheral input/ output devices
       • the modem
       • PDA
       • mobile telephones and smatphones
       • digital cameras

3. Physical structure of a hard disk

   • file system
   • files and folders

4. computers

   • functions
     • input of data
     • output of data
     • storing of data
     • processing data
   • computer language
     • binary system
       • 0
       • 1

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