Y8 Codes & codebreaking #1

There were no vowels in Engyption heiroglyphics

• TRUE

• FALSE

In cryptography and codebreaking, the original message - before being encoded - is called:

• Simple text

• Plaintext

• Cipher text

• Codetext

What information would be needed to create a key grid to decode a rail fence cipher?

• The number of letters

• The number of rows

• The number of letters and the number of rows

• The number of columns

Humans have been using codes for over...

• 100 years

• 1000 years

• 2000 years

• 3000 years

Which type or types of code can be used to describe heiroglyphics?

(Choose 1 - 4 anwers)

• Pictograms

• Transposition cipher

• Substitution cipher

• Symbol replacement cipher

The heiroglyphics in this image are written...

• From left to right

• From right to left

A Persina Scytale is an example of..

• A pictogram

• A substitutuion cipher

• A transposition cipher

What key was necessary to decipher the Spartan scytale?

• A key containing information about what the letters meant

• A number representing the length of the rod

• A number representing the diameter of the rod

• The number of rows of writing that there are

In which direction could heiroglyphics be written

• Left to right

• Right to left

• Any direction

A transposition cipher involves...

• Pictures being use instead of words

• Letters being exhanged for other letters

• Letters changing position within the code

• Letters being written upside down