year 8 revision

year 8 revision

1. hardware

   • RAM
     • random acsses memary
   • Secondary Storage
   • CPU

2. Networks

   • Network Security
     • FAPE
   • conection types
     • Ethernet
     • wpan
       • BLUE TOOTH
     • wan
       • INTERNET
     • GRPS
   • LAN
     • HARDWARE
       • SERVER
         • because websites and word documents are stored on servers so that your computer can connect to it
       • wifi range conecter
         • because.. lets say you need internet in your bedroom but it can't reach so you would have to use a Wi-Fi extender so it can reach any room in you house
       • SWICH
         • because all the devices need to connect to the local area network
       • ROUTER
         • because they allow you to share the internet
       • NETWORK INTERFACE CARD
         • so things can connect to things
       • peripherals
       • modem

3. Secondary storage

   • magnetic
   • solid state storage
   • optical storage

4. Representation of data

   • Character sets
     • ASCII
       • American Standard Code for Information Interchange
     • Unicode
       • They store letters and other characters by assigning a number for each one.
   • Binary to denary
     • Convert binary numbers to denary
       • BINARY
         • TWO DIGITS
           • 0
           • 1
       • DENARY
         • TEN digits
           • 0
           • 1
           • 2
           • 3
           • 4
           • 5
           • 6
           • 7
           • 8
           • 9
       • 0010=2
     • Convert denary numbers to binary
       • 16=00010000
       • 39=0010011

5. Computational thinking

   • Decomposition
   • Pattern recognition
   • Abstraction
   • Algorithm design
   • flowchart

6. CPU / FDE

   • THE MIND OF THE COMPUTER