Question

Convert the following from binary to decimal or decimal to binary. You will note the subscript "2" or "10" following each number. The "2" refers to binary (base 2) and the "10" is decimal (base 10). These are common notations used when writing binary and decimals.

1. 011010012 = decimal?

2. 19210 = binary?

3. 22410 = binary?

4. 111000012 = decimal?

5. 101001012 = decimal?

6. 25510 = binary?

7. 12810 = binary?

8. 192.168.1.14710 = binary?

Answer 1

1. 105

2. 11000000

Explanation:

1.

01101001 binary to decimal

1 × 2^0 + 1 × 2^3 + 1 × 2^5 + 1 × 2^6 = 1 + 8 + 32 + 64 = 105

2. 192 decimal to binary

192 = 128 + 64 = 2^7 + 2^6

11000000