CHAPTER 1,2 and 8

CHAPTER 1,2 and 8

1. Hardware

   • physical components
   • Internal
     • RAM, ROM, motherboard, videocards, soundcards, HDD, SSD
   • External
     • input, output, storage devices

2. Software

   • programs
     • control the computer system
   • application and sistem
     • windowa
     • linux
     • special function

3. Word processor

   • Manipulate text documents

4. Spreadsheet

   • organise and manipulate numerical data

5. Database

   • Organise, manipulate and analyse data

6. Control and measuaring software

   • microprocessor enterface with sensors

7. Apps

   • software runs on mobilephones or tablets

8. photo editing software

   • manipulate digital photographs stored

9. video editing software

   • produce an edited video

10. graphics manipulation software

    • allows bitman and vector images to be changed

11. compiler

    • program to perform a required task

12. linker

    • more maneagable sub- tasks

13. device driver

    • without a driver would be unable to work with the computer

14. Operating systems

    • it manages many of the essential functions

15. utilities

    • help to manage, maintein and control computer resources

16. Security

    • main aspects
      • device care
        • copy archives
        • antivirus
          • hacking: enter to a device without autorization
          • virus: malicious program
          • encryptor
        • change passwords
        • don´t let opened accounts

17. Input diveces

    • allow data to be input into a computure
    • keyboard: input text
      • concetp keyboards: icons/phrases instead of letters
        • numeric keypads: numbers only

18. pointing devices:

    • mouse
    • touchpad
    • trackerball