Positive & Negative Numbers

1234567
Across
  1. 2. Four bits
  2. 6. A method of representing a negative number the MSB is assigned + or -
  3. 7. A method of representing a negative number the MSB is a negative number
Down
  1. 1. Smallest element of data
  2. 3. Eight bits
  3. 4. Computers only understand one number system because they are made of?
  4. 5. The number system computers understand