1.1 Adding two positive 8-bit binary integers

What is the result of 1 + 1 in binary addition?

• 0

• 1

• 10

• 11

What is the largest denary number that can be represented by an 8-bit positive binary integer?

• 127

• 255

• 256

• 511

What is the denary sum of the binary numbers 00101011 and 01001010?

• 117

• 107

• 127

• 137

What happens when the sum of two 8-bit positive binary integers exceeds 255?

• The result is truncated

• An overflow occurs

• The numbers are converted to a 16-bit system

• The sum becomes negative