Question 1

Convert the unsigned binary number 11001011 into decimal. Show all your work.

Question 2

Convert the decimal number 5122 into binary and hexadecimal. Use the division method to convert from decimal to binary or hexadecimal. Show all your work.

Question 3

Examine the ASCII codes for the numbers ‘0’ through ‘9’ and comment on what they have in common. In addition, explain how the ASCII codes for these numbers may be easily converted into the actual values 0 through 9 for use in math operations.

Question 4

(a)What is the 8-bit signed binary representation of 70? Show all your work.

(b)What is the 8-bit signed binary representation of -70? Show all your work.

Question 5

(a)What is the decimal number represented by this signed binary number: 01101101

(b)What is the decimal number represented by this signed binary number: 10101100

Show all your work for both.

Question 6

Convert the fractional value 0.9 into a 16-bit binary number.

Question 7

Explain how normalizing a floating-point number allows you to save a bit of storage.