Computing

Computing

1. Passwords

   • why do we need to keep our passwords secure?
     • We need to keep our passwords secure so no one can hack us and risk giving away valuable infomation like real name and where you live or even credit or debit card details.
   • What makes a good password?
     • A good password is one with 12 or more characters with a range of symbols and capital letters
       • binary
         • In mathematics and digital electronics, a binary number is a number expressed in the base-2 numeral system or binary numeral system, which uses only two symbols: typically "0" and "1". The base-2 numeral system is a positional notation with a radix of 2. Each digit is referred to as a bit.

2. Staying safe online.

   • Dont tell people your personal info
     • • Dont give people your account online if they say they can hack it or something because most likely they cant
   • Tips for staying safe online.
     • Don't use your real name in a game.

3. Storage

   • Magnetic storage
     • Magnetic storage is the storage of data on a magnetized meduim magnetic storage works by the use of diffrent patterns of magnetication in a magnesiticible material.
       • casestes are also magnetic storage devices and they store music and messages.

4. ·

5. Computing performance

   • Clock speed
   • cores
   • cache

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