1.4.1 (Data types)

Question 1

How do you convert binary into sign and magnitude?

Answer 1

• The first bit is either a 1 to represent a negative, or a 0 to represent a positive.

Question 2

How to you converts binary into Two’s Complement (2sC)?

Answer 2

• Flip the bits
• Add 1

Question 3

Change the following into 2sC: 1011010, 1110110, and 0101110

Answer 3

• 0100110
• 0001010
• 1010010

Question 4

How do you subtract 2 binary numbers?

Answer 4

• Convert second number into 2sC
• Add them together

Question 5

What do you do if there is an overflow when completing a binary subtraction, and why?

Answer 5

• Discard it
• The method is built around the counter to over flow is discarded