A student has an electronic calculator. The calculator has a screen that displays the result of calculations.The calculator has 8-bit registers. (a) State the highest denary number that could be stored in a single 8-bit register. \_\_\_\_ [1] (b) Denary numbers are typed into the calculator. They are converted to binary numbers and stored in the 8-bit registers. The student types in the denary number 23 and the denary number 168. Give the 8-bit binary numbers that are stored in the registers for these two denary numbers. ![](https://files.sudostudy.com/bf9f3c5e536636401c7f57b334c7921e45bb09474ea49d752f5a942a3777980a.jpg?height=299&width=1257&top_left_y=935&top_left_x=321) [2] Working space \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ (c) The result of a calculation that is stored in a register is the binary number 00001011 Give the denary number that will be displayed on the screen for this binary number. 00001011 \_\_\_\_ [1] Working space (d) Another result of a calculation that is stored in a register is the binary number 01000010 Give the denary number that will be displayed on the screen for this binary number. 01000010 \_\_\_\_ Working space \_\_\_\_ \_\_\_\_ \_\_\_\_ (e)Two binary numbers stored in the registers are 01110110 and 00110000 Add the binary numbers using binary addition. Show all your working. Give your answer in binary. | | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | + | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | (f) The result of a calculation could be a negative denary number. State how the calculator could represent a negative denary number as a binary number. \_\_\_\_ (g) The electronic calculator is an example of an embedded system. Explain why it is an example of an embedded system. \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_

2025 - O/N - 0478/11 | Q1

0/7

0 correct · 0 wrong

A student has an electronic calculator. The calculator ha...