Encoding and Decoding Concepts

Front

What’s the base of Binary?

Back

Binary is base 2.

Front

What’s the base of Decimal?

Back

Decimal is base 10.

Front

What’s the base of Hexadecimal?

Back

Hexadecimal is base 16.

Front

What’s the base of Base 64?

Back

Base 64 is base 64.

Front

What’s the difference between hashing and encoding?

Back

Hashing is a one-way function, while encoding is reversible.

Front

What kind of decoder do you have to use to decode Q3liZXJzZWN1cml0eQ==?

Back

You need a Base 64 decoder.

Front

What kind of decoder do you have to use to decode \x43AB79D?

Back

You need a hex decoder.