A user enters text into a computer system, using a keyboard. An American standard code for information interchange (ASCII) character set is used to convert the text to binary. (a) Identify one other character set that could be used to convert the text to binary. \_\_\_\_ [1] (b) The character 'A' is represented by the denary ASCII number 65 . The character 'm' is represented by the denary ASCII number 109. (i) Convert the two denary ASCII numbers to binary. 65 \_\_\_\_ 109 \_\_\_\_ [2] Working space \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ (ii) Convert the two denary ASCII numbers to hexadecimal. 65 \_\_\_\_ 109 \_\_\_\_ [2] Working space \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ (c) The character 'y' is represented by the binary ASCII number 01111001. (i) Convert the binary ASCII number to denary. \_\_\_\_ Working space (ii) Convert the binary ASCII number to hexadecimal. \_\_\_\_ Working space (iii) A logical right shift of two places is performed on the binary ASCII number 01111001. Give the binary number after the logical right shift of two places is performed. \_\_\_\_ Working space \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ (d) The character 'T' is represented by the binary ASCII number 01010100. The character 't' is represented by the binary ASCII number 01110100. Add the two binary numbers using binary addition. Give your answer in binary. Show all your working. \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ [3]

2024 - O/N - 0478/11 | Q3

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A user enters text into a computer system, using a keyboa...