computer systems

computer systems

1. file

   • folder
     • sub folder
       • A place to store files that are related to something important to you or something you need.
     • folder help keeping files organised and safe
   • Is anything you save and will need again at some point
   • can use it for anything you need to use it for like somethng very important.
     • A good name Eg. something its about like math or music

2. password

   • secure password
     • a mixture of numbers, letters and symbols at least 8 characters
       • example: H#haha/?!(123qw)
   • non-secure password
     • it has to be not compicleted
       • name or pet
     • example: lol123
     • Abstraction:
       • Focusing on the important information only. also Ignoring the details that are not needed.
   • hardware:
     • Its a physical parts of a computer system eg. a graphics card, hard disk drive or CD drive
       • input:
         • An input device is any piece of computer hardware used to provide data to a computer system
         • output:
           • An output device is any piece of computer hardware used to communicate the result o data that has been processed.

3. Solid state storage

   • advantages:
     • Its compact in size and therefore very portable and useful. its also high in speed of the data transfers and low power consumption.
   • disadvantages:
     • considerable more expensive per unit than magnetic storage. also its more vulnerable to abrupt power loss

4. sequence:

   • server
     • a computer that holds data to be shared with computers to keep all that stuff safe.
     • A web that holds all the websites you have to keep them safe.
   • Magnetic
     • Principally used for important backup for important files from the hard disk and the long term storage.
   • A sequence is flowing instructions from somebody or something you need to do.