Julius creates a computer application that calculates how many years it will take to pay for a house. (a) Julius uploads his application to his website for people to download. Before he uploads the application, he translates the code using a compiler. Explain why Julius uses a compiler, rather than an interpreter, to do this. \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ [4] (b) Julius also creates videos to explain how to use the application that he has created. He reduces the file size of the videos using lossless compression. (i) Describe how lossless compression reduces the file size of the video. \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ [3] (ii) State why Julius uses lossless compression, rather than lossy compression. \_\_\_\_ \_\_\_\_ [1] (c) Julius wants to distribute his application to a wider audience. He is considering distributing it as freeware or free software. (i) Describe freeware and free software. Freeware \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ Free software \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ (ii) Julius also considers distributing a trial version of the application. Identify the type of software he could use to distribute his application as a trial version. \_\_\_\_ [1] (d) Julius makes sure that all data transmission to and from his website is secure. One way a user can check if his website uses secure data transmission is to check its certificate. Give two other ways that a user can identify if his website uses secure data transmission. 1 \_\_\_\_ \_\_\_\_ 2 \_\_\_\_ \_\_\_\_

2021 - O/N - 0478/13 | Q7

0/10

0 correct · 0 wrong

Julius creates a computer application that calculates how...