Binary
Data Representation
Binary tools and activities, Coding Systems and Encryption
Binary Tools
Bits and Bytes |
Information relating to the different bit and byte quantities
Number Systems |
A tool to convert between binary,denary and hexadecimal.
Floating Point Binary Conversions |
A tool to convert between denary real numbers and binary mantissa/exponent form.
Floating Point Binary Activity |
An activity to practice converting between denary real numbers and binary mantissa/exponent form. Includes error calculations when the conversion involves an approximation.
Encryption
Cipher Tools |
A tool to encrypt and decrypt data using the Caesar CIpher, Polyalphabetic Cipher and the Vernam Cipher
Caesar Cipher Activity |
An activity to practice decoding messages encoding using the Caesar Cipher
Polyalphabetic Cipher Activity |
An activity to practice decoding messages encoding using a Polyalphabetic Cipher with between two and four alphabets
RSA Activity |
A tool to generates an RSA cipher with given keys from text and an activity to practice decoding encrypted messages. There are also activities to practice the number theory concept required by RSA Cryptography.
Vernam Cipher Activity |