The message is 28672 characters long, occupies 21 kilobytes in memory. Find the power of the alphabet that was used for encoding?

21kb * 1024 = 21504 bytes * 8 = 172032 bits
172032 bits / 28672 = 6 bits – the weight of one character.
2 ^ 6bit. = 64
Answer: the cardinality of the alphabet is 64



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.