Question

What is the largest binary number that can be expressed with 12 bits?

Answer 1

1 1 1 1 1 1 1 1 1 1 1 1 

Each bit has a value of 1

......




The binary code is based on the powers of 2 so: 
1 1 1 1 = 1, 2, 4, 8 = 15 
1 1 1 1 1 1 1 1 = 1, 2, 4, 8, 16, 32, 64, 128 
.......

Answer 2

In Binary: 011111111111. In Decimal:.......