Question

You are assigned to communicate to an ancient computer you must do this by telephone by shouting binary digits over the line, in clumps of seven digits. For each string shouted how many digits must be 1

Answer 1

Answer:

Step-by-step explanation:

=> The number of different combinations = 2*2*2*2*2*2*2*2 = 2^8 = 256 strings

Answer 2

There are eight digits, each of which has two possibilities: 0 and 1. 

=> The number of different combinations = 2*2*2*2*2*2*2*2 = 2^8 = 256 strings.