Machine language and data representation can be accurately described by which of the following statements. $($Check all that apply.$)$

Bits are based on the decimal number system and have a value of $0$ or $1.$

Transistors are micro$-$sized electrical switches inside the processor used to represent the data and instructions.

The processor only executes machine language instructions.

It takes $64$ bits to represent a character in the Unicode data encoding scheme.

There are $8$ bits in a byte.