When all bits have a value of 0, the byte is represented as 00000000. … Remember that the byte with all bits having a value of 0 has its value set to 0. Since this byte also holds a valid value, the number of combinations = 255 + 1 = 256.

Is all zeros a valid byte?

All zeros is false and any 1 bits in a byte are “not zero” so true.

Is 8 zeros a valid byte?

A byte is composed of eight bits of zeros and ones. … There are 256 values in a byte, from the decimal number 0 to 255.