Computers use a character set to convert text into binary.One character set that can be used is ASCII. Each letter in ASCII can also be represented as a denary value. (a)The word BUS has the denary values: | B | U | S | | :--- | :--- | :--- | | 66 | 85 | 83 | Convert the denary values into 8-bit binary. ![](https://files.sudostudy.com/c47d9fda0dd081b91df5b89067aa7ffe21333e76a5a8e65b952a4c9e262c612b.jpg?height=421&width=1246&top_left_y=915&top_left_x=435) [3] (b)Each letter in ASCII can also be represented as a hexadecimal value. The word KEY has the 8-bit binary values: | K | E | Y | | :--- | :--- | :--- | | 01001011 | 01000101 | 01011001 | (i) Convert the three 8-bit binary values into hexadecimal. 01001011 \_\_\_\_ 01000101 \_\_\_\_ 01011001 \_\_\_\_ [3] (ii) Give three other uses of hexadecimal notation in computer science. 1 \_\_\_\_ 2 \_\_\_\_ 3 \_\_\_\_ [3] (iii) State two benefits of using hexadecimal notation to represent binary values. Benefit 1 \_\_\_\_ \_\_\_\_ Benefit 2 \_\_\_\_ \_\_\_\_ [2]

2018 - O/N - 0478/12 | Q1

0/10

0 correct · 0 wrong

Computers use a character set to convert text into binary...