Binary Arithmetic

Binary Arithmetic

Adding 8-bit binary numbers

Multiple Choice

How many rules are there to remember when adding binary numbers?

• 2

• 3

• 4

• 1

Multiple Select

Choose all the binary adding rules that are written correctly ...

• 0 + 1 = 01

• 1 + 1 = 10

• 1 + 1 + 1 = 11

• 1 + 0 = 10

Fill in the Blank

Give the 4-bit answer in binary to this addition:

   0 1 0 1

+ 1 0 0 1

Fill in the Blank

Give the 4-bit answer in binary to this addition:

   0 1 1 1

+ 0 1 1 1

Fill in the Blank

The answer to this binary addition illustrates the concept of ________

   1 0 1 1

+ 0 1 0 1

Multiple Choice

Which is the best definition of overflow in binary arithmetic?

• When the result if too large to be represented in the bits available

• When the result if too small to be represented in the bits available

• When there are more bits available than needed for the result

• When some of the bits can not be used for the result

Multiple Select

Choose all the valid ways to deal with an overflow situation in binary arithmetic ...

• Program crashes and reports 'overflow error'

• Truncate the answer

• Wrap the number back to zero

• Ignore the error

Multiple Choice

What is the correct notation for indicating the overflow in this binary addition:

    1 1 0 0

+ 0 1 1 1

• (0) 0 0 1 1

• 1 0 0 1 1

• (1) 0 0 1 1

• 1* 0 0 1 1

Poll

How much of this lesson have you understood?

• None of it

• Some of it

• Most of it

• All of it