Revision y8

Revision y8

1. storage devices

   • is a piece of computer equipment on witch information can be stored
   • solid state
     • solid state has a moving parts inside of it
   • optical
     • optical storage is the storage of data
   • magnetic storage
     • magnetic storage is a non volatile witch saves data on tape

2. CPU

   • central processing unit
     • its the electronic circuitry within the electronic that carries out instructions

3. RAM

   • a RAM is found in computers and PC

4. LAN'S WAN'S and WPANs

   • a LAN is a local area network
     • LAN's are normally connected to WAN'S
   • a WAN is a wide area network
     • WAN's are made from several LAN's

5. firewall

   • a firewall is a system designed to prevent unauthorized access to or from a private network

6. Anti-malware

   • AN anti malware is a AD free that protects your PC

7. password

   • A password is a thing to protect your PC from people from coming in and hacking it.So basically ceeping hackers out from your account

8. encrypition

   • encrypition is the process of encording a message or information in such way

9. connection Types

   • GPRS
     • data rates is from 56 to 114 kbps
     • General packet radio
   • WIFI
     • the most popular wireless network
     • wire-less high speed
   • Bluetooth
     • 2.400 to 2.485
   • Ethernet