3.5.4.2 Unsigned Binary Arithmetic.

Question 1

What are the four rules to remember when adding unsigned binary numbers?

Answer 1

1) 0 + 0 = 0.
2) 0 + 1 = 1
3) 1 + 1 = 10.
4) 1 + 1 + 1 = 11.

Question 2

What are the steps when multiplying unsigned binary integers?

Answer 2

Write out one of the two numbers starting under each occurrence of a 1 in the second number and then add the contents of the columns.

Question 3

What do unsigned binary numbers represent?

Answer 3

Positive numbers only.

Question 4

How can we convert unsigned to decimal?

Answer 4

By assigning place values to each of the digits and adding up the total values under which a falls.

Question 5

What does the range of numbers that can represented depend on?

Answer 5

The number of bits available.

Question 6

What decimal numbers can be represented with one bit?

Answer 6

1 and 0.

Question 7

What decimal numbers can be represented with two bits?

Answer 7

1, 0, 2 and 3.

Question 8

How do we multiply two unsigned binary integers?

Answer 8

Write out one of the two numbers starting under each occurrence of a 1 in the second number and then add the contents of each column.