Convert the following two hexadecimal numbers into binary: FA7 D3E FA7 D3E

1. (a)(i)Convert the following two hexadecimal numbers into binary: FA7 D3E FA7 D3E[4]
2. (a)(ii)Now perform the AND (logic) operation on each corresponding pair of binary bits in the two numbers from part (i).[2]
3. (a)(iii)Convert your answer in part (ii) into hexadecimal.[2]
4. (b)(i)The following code shows HTML 'tag' pairs on either side of the text stating the colour that each creates. <font color "#FF0000"> RED </font> <font color "#00FF00"> GREEN </font> <font color "#0000FF"> BLUE </font> <font color "# X "> YELLOW </font> <font color "# Y "> MAGENTA </font> <font color "# Z "> CYAN </font> Yellow is a combination of red and green, magenta a combination of red and blue and cyan a combination of green and blue. State what 6-digit hexadecimal values should replace X, Y and Z in the above code. X Y Z[3]
5. (b)(ii)Describe how other colours, such as a darker shade of blue, are created.[2]
6. (c)(i)1A-16 - C5 – 22 – FF – FF is an example of a MAC address. Identify what the first six and last six hexadecimal digits represent. First six digits Last six digits[2]
7. (c)(ii)State why MAC addresses are used.[1]

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.