Yr 9 Computing
- Created by: Bendala01
- Created on: 17-10-19 11:00
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- Yr 9 Computer Science
- Ciphers
- Transposition
- A cipher which to use you had to rearrange the alphabet by a predetermined key
- Untitled
- Ceaser
- The ceaser cipher was used by the romans to communicate without being found out so easily by the opposition
- This cipher was named by the creator Julius ceaser
- Messages encrypted with this cipher were not hard to decipher so message would not be secret for long
- Substitution
- substitution cipher is a unit of plain text changed into ciphertext
- Cipher text is coded text and plain text has not been encrypted
- A key is the way needed to find the actual text out
- Transposition
- Python
- Data types
- Booleon
- A variable that only has two outcomes either true or false
- Intergers
- Any whole number
- Float
- Any number with a decimal in it
- String
- A string is any character or number
- Booleon
- Loops
- for
- while
- A variable is a storage are in the memory of a computer given a label. The contents of the variable can be changed throughout a program
- Data types
- Ciphers
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